DiatomBase
Between brackets is the number of accepted extant species
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- Bacillariophyceae (5 957)
- Subclass Bacillariophyceae incertae sedis (189)
- Subclass Bacillariophycidae (4 408)
- Superorder Bacillariophycanae (4 083)
- Order Achnanthales (438)
- Order Bacillariales (357)
- Order Cymbellales (792)
- Order Dictyoneidales
- Order Lyrellales (15)
- Order Mastogloiales (88)
- Order Naviculales (2 077)
- Order Rhopalodiales (37)
- Order Surirellales (174)
- Order Thalassiophysales (105)
- Family Catenulaceae Mereschkowsky, 1902 (105)
- Genus Amphora C.G. Ehrenberg ex F.T. Kützing, 1844 (104)
- Species Amphora abbreviata Bleich in Rabenhorst, 1863
- Species Amphora abludens Simonsen, 1960
- Species Amphora absoluta Levkov, 2009
- Species Amphora abuensis Foged, 1966
- Species Amphora accomoda Levkov, 2009
- Species Amphora acuta Gregory, 1857
- Species Amphora acutissima Giffen, 1980
- Species Amphora acutiuscula Kützing, 1844 accepted as Halamphora acutiuscula (Kützing) Levkov, 2009
- Species Amphora adnata Gaud, 1974
- Species Amphora adumbrata Hohn & Hellerman, 1966
- Species Amphora advena VanLandingham, 1967
- Species Amphora aegaea Ehrenberg, 1859
- Species Amphora aequalis Krammer, 1980
- Species Amphora aequatorialis Heiden, 1928
- Species Amphora aestuarii Cleve, 1894
- Species Amphora affiniformis Levkov, 2009
- Species Amphora affinis Kützing, 1844
- Species Amphora affinis sensu W. Smith, 1853
- Species Amphora affinis W. Smith ex Wolle, 1890
- Species Amphora africana H.Heiden
- Species Amphora agapica Skabitschevskaja, 1976
- Species Amphora ajajensis Skabichevskii, 1936
- Species Amphora alaeziarum Ãlvarez-Blanco & S.Blanco, 2014
- Species Amphora alaskana Patrick & Freese, 1961
- Species Amphora alata H.Peragallo
- Species Amphora alata Pomazkina & Rodionova, 2014
- Species Amphora aliformis J.G.Stepanek, S. Mayama & J.P.Kociolek, 2015
- Species Amphora allanta Hohn & Hellerman, 1966
- Species Amphora alpestris Levkov, 2009
- Species Amphora alpha Karsten, 1899
- Species Amphora altaica Poretzky, 1933
- Species Amphora alternata Mann, 1925
- Species Amphora alveolata Leuduger-Fortmorel, 1879
- Species Amphora ambigua Meister, 1934
- Species Amphora americana A.H.Wachnicka & E.E.Gaiser, 2007
- Species Amphora amoena Hustedt, 1955
- Species Amphora amphioxys Bailey, 1851
- Species Amphora amphora (Ehrenberg) Pantocsek, 1902 accepted as Navicula amphora Ehrenberg, 1832
- Species Amphora ampla Ehrenberg, 1860
- Species Amphora anceps Mann, 1925
- Species Amphora andesitica Pantocsek, 1892
- Species Amphora angularis Gregory, 1855 accepted as Halamphora angularis (Gregory) Levkov, 2009
- Species Amphora angulata ‘Cleve' according to Tempère & H. Peragallo
- Species Amphora angulosa H. Peragallo & M. Peragallo, 1899 accepted as Halamphora hybrida (Grunow) Levkov, 2009
- Species Amphora angusta Gregory, 1857
- Species Amphora angusta Jurilj, 1957
- Species Amphora angusta Ehrenberg, 1845
- Species Amphora angusta A. Schmidt in Schmidt et al., 1875
- Species Amphora angustata ‘Cleve' according to Tempère & Peragallo
- Species Amphora angustissima Heiden in Heiden & Kolbe, 1928
- Species Amphora angustissima (Van Heurck) Mann, 1925 accepted as Amphora angusta var. angustissima Van Heurck, 1909
- Species Amphora antarctica Hustedt, 1958 (1957)
- Species Amphora antiqua Cleve & Grove in Cleve, 1895
- Species Amphora aponina Kützing, 1844 accepted as Halamphora aponina (Kützing) Levkov, 2009
- Species Amphora aponina sensu Neupauer, 1867
- Species Amphora araucaniana Frenguelli, 1934 †
- Species Amphora araulensis Héribaud, 1908
- Species Amphora arcana Giffen, 1984
- Species Amphora archibaldii A.H.Wachnicka & E.E.Gaiser, 2007
- Species Amphora arcta Schmidt in Schmidt et al., 1875
- Species Amphora arctica
- Species Amphora arcuata A.Schmidt, 1875
- Species Amphora arcuata Pantocsek, 1889
- Species Amphora arcuatoides Ognjanova, Metzeltin & Levkov, 2009 †
- Species Amphora arcus Gregory, 1854
- Species Amphora arenaria Donkin, 1858
- Species Amphora arenicola Grunow, 1895
- Species Amphora areolata Grunow
- Species Amphora argus Pantocsek, 1892
- Species Amphora ascensionis Leuduger-Fortmorel, 1898
- Species Amphora asiatica Skvortzow, 1935
- Species Amphora aspera Petit, 1877
- Species Amphora astuarii Cleve, 1894
- Species Amphora atacamae Frenguelli, 1928 accepted as Halamphora atacamae (Frenguelli) Levkov, 2009
- Species Amphora atacamana Patrick, 1961
- Species Amphora athanasii M. Peragallo in Héribaud, 1920
- Species Amphora atlantica Leuduger-Fortmorel, 1898
- Species Amphora atomoides Levkov, 2009
- Species Amphora atomus Kützing, 1844
- Species Amphora atomus ‘Ehrenberg' according to Peragallo, 1897
- Species Amphora australiensis J.John, 1981
- Species Amphora australis Petit, 1908
- Species Amphora ayensuensis Foged, 1966
- Species Amphora baccata Mann, 1907
- Species Amphora bacillaris Gregory, 1857
- Species Amphora baicalensis Skvortzow & Meyer, 1928
- Species Amphora baicalomicra Rodionova & Pomazkina, 2014
- Species Amphora baicalopseudoeximia Pomazkina & Rodionova, 2014
- Species Amphora balatoneis Pantocsek, 1902
- Species Amphora balearica ‘Cleve in Cleve & Möller' VanLandingham, 1967
- Species Amphora baltica Brander, 1933
- Species Amphora baltica Grunow in Cleve & Möller, 1879
- Species Amphora banyaiana Greguss & Weber, 1938
- Species Amphora barrei Manguin, 1957
- Species Amphora barrowiana (Patrick & Freese) Nagumo, 2003 accepted as Amphora ovalis var. barrowiana Patrick & Freese, 1961
- Species Amphora beaufortiana Hustedt, 1955
- Species Amphora beccarii De Notaris & Baglietto, 1872
- Species Amphora behringensis Cleve, 1895
- Species Amphora belgica Grunow
- Species Amphora bella Hustedt, 1955
- Species Amphora berggrenii Cleve, 1881 †
- Species Amphora berolinensis N.Abarca & R.Jahn, 2014
- Species Amphora berriati Héribaud, 1920
- Species Amphora beta Karsten, 1899
- Species Amphora biarcuata Heiden in Heiden & Kolbe, 1928
- Species Amphora bicapitata Hohn & Hellerman, 1966
- Species Amphora biconvexa Janisch in Schmidt et al., 1875
- Species Amphora biggibosa Cleve, 1895
- Species Amphora bigibba Grunow ex A.Schmidt, 1875
- Species Amphora bigibbosa Cleve
- Species Amphora bilobata Loseva, 1982
- Species Amphora binodis Gregory, 1857
- Species Amphora bioculata Cleve, 1896
- Species Amphora birnirkiana Patrick & Freese, 1961
- Species Amphora birugula M.H.Hohn, 1961
- Species Amphora biseriata Gregory, 1857
- Species Amphora bistriata Leuduger-Fortmorel, 1879
- Species Amphora bistriata Peragallo & Peragallo, 1899
- Species Amphora bitumida Prowse, 1962
- Species Amphora bituminosa Pantocsek, 1889
- Species Amphora biundulata L.Bérard-Therriault, A.Cardinal & M.Poulin
- Species Amphora blaingraysia Selva, 1981
- Species Amphora blanda Leuduger-Fortmorel, 1898
- Species Amphora bohemica Reichelt in Herrmann & Reichelt, 1892-1893
- Species Amphora boliviana Patrick, 1961
- Species Amphora bongrainii M. Peragallo, 1921
- Species Amphora borealis Kützing, 1844
- Species Amphora borealis Schumann, 1864
- Species Amphora borisii Levkov, 2009
- Species Amphora bornetii Héribaud, 1903
- Species Amphora boryana Pantocsek accepted as Amphora mexicana var. boryana Pantocsek, 1889
- Species Amphora brasiliensis Zimmermann, 1918
- Species Amphora brebissonii Peragallo
- Species Amphora brevis Levkov, 2009
- Species Amphora briocensis “Petit, 1876” according to De Toni, 1876
- Species Amphora buczkoae Levkov, 2009 †
- Species Amphora budayana Pantocsek, 1892
- Species Amphora bulgarica Ognjanova, Metzeltin & Levkov, 2009 †
- Species Amphora bullata Cleve, 1895
- Species Amphora bullatoides Hohn & Hellermann, 1963
- Species Amphora bullosa (Fiorini) Fiorini-Mazzanti
- Species Amphora bulnheimii Rabenhorst, 1866
- Species Amphora calumetica (Thomas ex Wolle) M.Peragallo, 1897 accepted as Amphiprora calumetica Thomas ex Wolle, 1890
- Species Amphora calumeticoides Cocquyt, 2003
- Species Amphora camelus Cleve & Grove, 1892
- Species Amphora capensis A.W.F.Schmidt
- Species Amphora capitata Meister, 1937
- Species Amphora capitata Brander, 1933
- Species Amphora capitellata Frenguelli, 1938
- Species Amphora caribaea A.H.Wachnicka & E.E.Gaiser, 2007
- Species Amphora carinata Ehrenberg, 1840
- Species Amphora caroliniana Giffen, 1980
- Species Amphora carvajaliana Patrick, 1961
- Species Amphora castellata Giffen, 1963
- Species Amphora castracanei De Toni, 1891
- Species Amphora catharinaria Cholnoky, 1968
- Species Amphora caucasica M. Peragallo in Tempère & Peragallo, 1913
- Species Amphora ceylanensis Leuduger-Fortmorel, 1879
- Species Amphora chadzhibeiensis Guslyakov, 1992
- Species Amphora charcotii M. Peragallo, 1921
- Species Amphora charrua Metzeltin, Lange-Bertalot & García-Rodríguez, 2005
- Species Amphora chilensis Hustedt, 1927 accepted as Tetramphora chilensis (Hustedt, 1927) Stepanek & Kociolek
- Species Amphora chinensis A. Schmidt in Schmidt et al., 1875
- Species Amphora chu-yin-changii Skvortzov, 2012
- Species Amphora cimbrica E.V.Østrup, 1910
- Species Amphora cingulata Cleve, 1875
- Species Amphora cingulata Pantocsek, 1889
- Species Amphora cipollae Zanon, 1933
- Species Amphora clara A.Schmidt, 1875
- Species Amphora clathrata Mann, 1925
- Species Amphora clevei Grunow, 1875
- Species Amphora coarcta Leuduger-Fortmorel, 1879
- Species Amphora coarctata Leuduger-Fortmorel, 1879
- Species Amphora coarctata ‘Grunow' Castracane, 1875
- Species Amphora coffeaeformis (C.Agardh) Kützing, 1844 accepted as Halamphora coffeiformis (C.Agardh) Levkov, 2009
- Species Amphora coffeaeformis sensu H.L. Smith, 1874
- Species Amphora cognata Cholnoky, 1966
- Species Amphora commutata Grunow, 1880
- Species Amphora comoroensis Cleve, 1895
- Species Amphora compacta Mann, 1925
- Species Amphora complanata Grunow, 1867
- Species Amphora complexa Gregory, 1857
- Species Amphora composita Janisch in Schmidt et al., 1875
- Species Amphora concerta ‘(Lewis) Grunow' according to Mills
- Species Amphora confusa Levkov & Metzeltin, 2009
- Species Amphora conjuncta Pantocsek, 1902
- Species Amphora conserta (Lewis) Grunow, 1867 accepted as Amphiprora conserta Lewis, 1862
- Species Amphora constricta (Ehrenberg) Carruthers, 1864 accepted as Amphiprora constricta Ehrenberg, 1843
- Species Amphora constricta Grunow in Cleve & Möller, 1878
- Species Amphora contorta Leuduger-Fortmorel, 1898
- Species Amphora contracta Grunow in Schmidt et al., 1875
- Species Amphora contracta sensu Grove & Sturt, 1887
- Species Amphora copulata (Kützing) Schoeman & R.E.M.Archibald, 1986 accepted as Frustulia copulata Kützing, 1833
- Species Amphora copulatoides J.G.Stepanek & J.P.Kociolek, 2013
- Species Amphora coraensis Foged, 1964
- Species Amphora corinata Kützing, 1844
- Species Amphora corpulenta Cleve & Grove
- Species Amphora costata W.Smith, 1853 accepted as Halamphora costata (W.Smith) Levkov, 2009
- Species Amphora costata sensu Fricke, 1902
- Species Amphora costulata Skvortzov, 1937
- Species Amphora crameri Foged, 1966
- Species Amphora crassa Gregory, 1857
- Species Amphora crassa sensu Briggs, 1873
- Species Amphora crassa sensu Hanna & Grant, 1926
- Species Amphora crassocostata Missuna, 1914
- Species Amphora crassopunctata Missuna, 1914 †
- Species Amphora crawfordii Levkov & Metzeltin, 2009
- Species Amphora crenulata A.H.Wachnicka & E.E.Gaiser, 2007
- Species Amphora crescens Mann, 1907
- Species Amphora crispans Pomazkina & Rodionova, 2014
- Species Amphora cristata Petit, 1877
- Species Amphora cristodentata A.P.Skabichevskij, 1936
- Species Amphora cruciata Østrup, 1897
- Species Amphora cruciata Brander, 1933
- Species Amphora crucifera Cleve-Euler, 1932
- Species Amphora cruciferoides Stoermer & Yang, 1971
- Species Amphora crystallina Ehrenberg, 1840
- Species Amphora cucumeris Mann, 1925
- Species Amphora cuneata Cleve, 1876
- Species Amphora cuneatiformis Levkov & Kristic, 2009
- Species Amphora curvata Pantocsek, 1889
- Species Amphora cyclops Leuduger-Fortmorel, 1879
- Species Amphora cymbamphora Cholnoky, 1960
- Species Amphora cymbelloides Grunow, 1867 accepted as Seminavis cymbelloides (Grunow) D.G.Mann, 1990
- Species Amphora cymbelloides A. Schmidt in Schmidt et al., 1875
- Species Amphora cymbellula Mereschkowsky, 1902-1903
- Species Amphora cymbifera Gregory, 1857 accepted as Halamphora cymbifera (Gregory) Levkov, 2009
- Species Amphora cymbifera A.Schmidt, 1875
- Species Amphora cymbifera Cleve, 1883
- Species Amphora cymbiformis Cleve, 1895
- Species Amphora cymbiformis Ehrenberg, 1854
- Species Amphora czekeházensis Pantocsek, 1889
- Species Amphora dalaica Skvortzow, 1971
- Species Amphora dalaica Skvortzov, 2012
- Species Amphora dannfeltii A.Berg, 1952
- Species Amphora debyi Leuduger-Fortmorel, 1892
- Species Amphora decipiens Grunow in Van Heurck, 1883
- Species Amphora decloitrei Amossé, 1970
- Species Amphora decora Castracane, 1886
- Species Amphora decussata Grunow, 1877 accepted as Tetramphora decussata (Grunow, 1877) Stepanek & Kociolek, 2016
- Species Amphora deflecta Andrews, 1971
- Species Amphora deflexa G.S. West, 1919
- Species Amphora delapunctata Hohn & Hellerman, 1966
- Species Amphora delicatissima Krasske, 1930
- Species Amphora delicatula L. S. Bljumina, 1959
- Species Amphora delphina L.W.Bailey
- Species Amphora delphinea L.W.Bailey, 1861
- Species Amphora delphinea sensu Schmidt in Schmidt et al., 1876
- Species Amphora delphinea Cleve, 1895
- Species Amphora delphineiformis Levkov, 2009
- Species Amphora delta Karsten, 1899
- Species Amphora densistriata Hajós, 1973
- Species Amphora dentata Edlund & Levkov, 2009
- Species Amphora depravata Eichwald, 1860
- Species Amphora detoni Brun, 1895
- Species Amphora diaphana Cleve, 1895
- Species Amphora dichotoma Mann, 1925
- Species Amphora diducta Schmidt in Schmidt et al., 1875
- Species Amphora difficilis Levkov, 2009
- Species Amphora digitus A.Schmidt, 1875
- Species Amphora dissimilis Metzeltin & Krammer, 1998
- Species Amphora distincta Héribaud, 1903
- Species Amphora divisa Leuduger-Fortmorel, 1879
- Species Amphora doddii Selva, 1981
- Species Amphora domkeana Jurilj, 1957
- Species Amphora donkinii Rabenhorst, 1864
- Species Amphora dorsalis Cleve & Grove, 1892
- Species Amphora dubia Gregory, 1857
- Species Amphora dubiosa Østrup, 1918
- Species Amphora dura Mann, 1925
- Species Amphora dusenii Brun, 1901
- Species Amphora eatoniana O'Meara, 1874
- Species Amphora ectorii Levkov, 2009
- Species Amphora edlundi Z. Levkov, 2009
- Species Amphora edlundii Levkov, 2009
- Species Amphora egregia Ehrenberg, 1861
- Species Amphora ehrenbergii N.Woodhead & R.D.Tweed, 1960
- Species Amphora ehta Karsten, 1899
- Species Amphora eileencoxiae Cantonati, Levkov & Lange-Bert., in Cantonati et al., 2019
- Species Amphora elegans H.Peragallo, 1893
- Species Amphora elegans Gregory, 1857
- Species Amphora elegantula Hustedt, 1955
- Species Amphora elliptica (Agardh) Kützing, 1844 accepted as Frustulia elliptica C.Agardh, 1824
- Species Amphora elongata Gregory, 1857
- Species Amphora enoculata Héribaud, 1908
- Species Amphora epiphytica Skvortzow, 1946
- Species Amphora epithemiformis Skvortzov, 2012
- Species Amphora epsilon Karsten, 1899
- Species Amphora erebi Ehrenberg, 1853
- Species Amphora erezii Reimer & Lee, 1988
- Species Amphora ergadensis Gregory, 1857
- Species Amphora eulensteinii Grunow, 1875 accepted as Seminavis eulensteinii (Grunow) D.B.Danielidis, K.Ford & D.Kennett, 2003
- Species Amphora eunotia Cleve, 1873 accepted as Halamphora eunotia (Cleve) Levkov, 2009
- Species Amphora eunotiaeformis Grunow in Schmidt et al., 1876
- Species Amphora euprepes Pantocsek, 1886
- Species Amphora evanida Giffen, 1984
- Species Amphora excisa Gregory, 1857
- Species Amphora excludens Mann, 1925
- Species Amphora exigua Gregory, 1857 accepted as Halamphora exigua (Gregory) Levkov, 2009
- Species Amphora exilis 'Kützing' according to Tempère & Peragallo, 1889
- Species Amphora exilissima Giffen, 1967
- Species Amphora exilitata Giffen, 1971
- Species Amphora eximia J.R.Carter, 1974
- Species Amphora exornata Janisch in Schmidt et al., 1876
- Species Amphora exsecta Grunow in Schmidt et al., 1875
- Species Amphora extensa Salah, 1955
- Species Amphora fallax Tempère & Brun in Brun & Tempère, 1889
- Species Amphora farcimen Grunow
- Species Amphora farciminosa M. Peragallo in Peragallo & Peragallo, 1911
- Species Amphora fasciata Gregory, 1857
- Species Amphora fasciata Ehrenberg, 1840
- Species Amphora faurelii Amossé, 1941
- Species Amphora favus Rodionova & Pomazkina, 2014
- Species Amphora ferrazae Cholnoky, 1968
- Species Amphora ferrosis Meyer, 1938
- Species Amphora fimbriata Cleve & Grove
- Species Amphora finlandica Levkov, 2009
- Species Amphora fischeri (Kützing) Kützing accepted as Amphora coffeaeformis var. fischeri Kützing, 1844
- Species Amphora fischeri sensu Neupauer, 1867
- Species Amphora flammiger Leuduger-Fortmorel, 1898
- Species Amphora flebilis Simonsen, 1960
- Species Amphora flexa Mann, 1925
- Species Amphora flexuosa Greville, 1863
- Species Amphora flexuosa A. Schmidt in Schmidt et al., 1875
- Species Amphora floridae A.H.Wachnicka & E.E.Gaiser, 2007
- Species Amphora fluminensis Grunow, 1863
- Species Amphora fogediana Krammer, 1985
- Species Amphora fonticola Maillard, 1967
- Species Amphora fontinalis Hustedt, 1937
- Species Amphora formosa Cleve
- Species Amphora formosa Leuduger-Fortmorel, 1879
- Species Amphora fossilis Pantocsek, 1886
- Species Amphora foveauxiana Taylor, 1970
- Species Amphora francescae Giffen, 1970
- Species Amphora frenguellii Forti in Frenguelli, 1934
- Species Amphora frickei Reichelt, 1903
- Species Amphora furcata Leuduger-Fortmorel, 1879
- Species Amphora fusca A.Schmidt, 1875
- Species Amphora gallurae Zanon, 1948
- Species Amphora gamma Karsten, 1899
- Species Amphora gamtoosae Giffen, 1963
- Species Amphora geinitzi Heiden, 1900
- Species Amphora gemmifera Petit, 1888
- Species Amphora geniculata Hustedt, 1922
- Species Amphora genkalii Guslyakov, 1987
- Species Amphora gibba A.W.F.Schmidt, 1876
- Species Amphora gibberosa Mouneimne, 1973
- Species Amphora gibberula Missuna, 1914 †
- Species Amphora gieskesii Cholnoky, 1963
- Species Amphora gigantea Grunow
- Species Amphora gigas Ehrenberg, 1854
- Species Amphora globosa Schumann, 1867
- Species Amphora globulosa J.Schumann
- Species Amphora gobii Mereschkowsky, 1902
- Species Amphora gourdonii M.Peragallo, 1921
- Species Amphora gouwsii Cholnoky, 1953
- Species Amphora gracilis Ehrenberg ex Kützing, 1844
- Species Amphora graeffeana Hendey, 1973
- Species Amphora graeffei Cleve, 1896 accepted as Amphora graeffeana Hendey, 1973
- Species Amphora graeffei Grunow in Schmidt et al., 1875
- Species Amphora graeffii Cleve
- Species Amphora gramenorum A.H.Wachnicka & E.E.Gaiser, 2007
- Species Amphora grammica Pomazkina & Rodionova, 2014
- Species Amphora granii Pantocsek, 1902
- Species Amphora granularis Pomazkina & Rodionova, 2014
- Species Amphora granulata Gregory, 1857 accepted as Halamphora granulata (Gregory) Levkov, 2009
- Species Amphora granulifera Cleve, 1895
- Species Amphora gregorii Ralfs., 1861
- Species Amphora grevilleana Gregory, 1857
- Species Amphora groenlandica Østrup, 1895
- Species Amphora groenlandica Cleve, 1895
- Species Amphora grovei Cleve in Cleve & Grunow, 1892
- Species Amphora gruendleri Grunow, 1875
- Species Amphora grunowii A. Schmidt, 1874
- Species Amphora guinardii M. Peragallo, 1929
- Species Amphora guinense Leuduger-Fortmorel, 1898
- Species Amphora gulfusiis Salah & Tamas, 1968
- Species Amphora hamata Heiden & Kolbe
- Species Amphora hartii Cholnoky, 1963
- Species Amphora hassiaca Krammer & S.Strecker, 1997
- Species Amphora helenensis Giffen, 1973
- Species Amphora hemicyla Stoermer & Yang, 1971
- Species Amphora hemisphaerica Grunow, 1867
- Species Amphora hendeyi Crosby & Ferguson Wood, 1959
- Species Amphora henshawii Mann, 1925
- Species Amphora heterostriata Mereschkowsky, 1903
- Species Amphora hevesensis Pantocsek, 1889
- Species Amphora hexagonalis O.N.Witt, 1873
- Species Amphora hians Flögel, 1873
- Species Amphora hidasensis Hajós, 1973
- Species Amphora hilliardii Manguin ex Kociolek & Reviers, 1996
- Species Amphora hinzae Levkov, 2009
- Species Amphora hiromuii Nagumo, 2003
- Species Amphora hohenackeri Rabenhorst, 1853
- Species Amphora holsatica Hustedt, 1925 accepted as Halamphora holsatica (Hustedt) Levkov, 2009
- Species Amphora holsatica Hustedt, 1930 sensu Krammer & Lange-Bertalot accepted as Amphora subholsatica Krammer, 1997
- Species Amphora holsaticoides T.Nagumo & H.Kobayasi, 1990
- Species Amphora honshuensis Mann, 1907
- Species Amphora humicola Grunow
- Species Amphora hungarica Palik, 1958
- Species Amphora huronensis Stoermer & Yang, 1971
- Species Amphora hustedtii Levkov, 2009
- Species Amphora hyalina Kützing, 1844 accepted as Halamphora hyalina (Kützing) Rimet & R. Jahn in Rimet et al., 2018
- Species Amphora hyalina sensu H.L. Smith, 1874
- Species Amphora hyalina Ehrenberg, 1841
- Species Amphora hyalina H.L. Smith, 1873
- Species Amphora hybrida Grunow, 1933
- Species Amphora hyperborea Grunow, 1884
- Species Amphora ignorata Levkov, 2009
- Species Amphora ignota Cholnoky, 1960
- Species Amphora immarginata T. Nagumo, 2003
- Species Amphora impercepta Meister, 1937
- Species Amphora imperfecta Manguin ex Kociolek & Reviers, 1996
- Species Amphora impressa A. Cleve, 1915
- Species Amphora inaequistriata
- Species Amphora inariensis Krammer, 1980
- Species Amphora incerta A. Schmidt in Schmidt et al., 1876
- Species Amphora incisa Hajós, 1973
- Species Amphora incisa ‘Gregory' according to Chase, 1885
- Species Amphora inconspicua Proschkina-Lavrenko, 1963
- Species Amphora incrassata Giffen, 1984
- Species Amphora incredulata Giffen, 1967
- Species Amphora incurva Gregory, 1855
- Species Amphora incurvata Carter, 1966
- Species Amphora indentata A.H.Wachnicka & E.E.Gaiser, 2007
- Species Amphora indistincta Levkov, 2009
- Species Amphora inelegans Cleve & Grove
- Species Amphora inflata Grunow, 1875
- Species Amphora inflexa (Brébisson ex Kützing) H.L.Smith, 1873 accepted as Okedenia inflexa (Brébisson ex Kützing) De Toni, 1894
- Species Amphora inflexa (Brébisson ex Kützing) Cleve, 1895 accepted as Amphipleura inflexa Brébisson ex Kützing, 1849
- Species Amphora ingeniosa Pantocsek, 1909
- Species Amphora inornata Cleve, 1895
- Species Amphora insecta Grunow ex A.Schmidt, 1876
- Species Amphora insolita Pomazkina & Rodionova, 2014
- Species Amphora insulana Stepanek & Kociolek, 2018
- Species Amphora interlineata Grove & Sturt, 1887
- Species Amphora intermedia Lewis, 1865
- Species Amphora interrupta Heiden, 1928 accepted as Halamphora interrupta (Heiden) Levkov, 2009
- Species Amphora interrupta Mann
- Species Amphora interrupta Pantocsek, 1886
- Species Amphora intersecta A.W.F.Schmidt
- Species Amphora invidenda Pantocsek, 1892
- Species Amphora jacksoni Schrader, 1969
- Species Amphora jamalinensis
- Species Amphora janischii A. Schmidt in Schmidt et al., 1875
- Species Amphora jao Skvortzov, 2012
- Species Amphora japonica Meister, 1937
- Species Amphora javanica A.W.F.Schmidt
- Species Amphora javorkaae Szemes, 1959
- Species Amphora jeniseyensis Skvortzow, 1971
- Species Amphora jeschkei Janisch in Schmidt et al., 1876
- Species Amphora jostesorum Witkowski, Lange-Bertalot & Metzeltin, 2000
- Species Amphora juvenalis Pantocsek, 1892
- Species Amphora kamorthensis Grunow
- Species Amphora karajevae Guslyakov, 1987
- Species Amphora kariana Grunow in Cleve & Grunow, 1880
- Species Amphora karpinskii Missuna, 1914
- Species Amphora katii Selva, 1981
- Species Amphora kattrayi Cleve & Möller, 1882
- Species Amphora kenyaensis F.Gasse, 1986
- Species Amphora kerguelensis Heiden in Heiden & Kolbe, 1928
- Species Amphora kertschiana Pantocsek, 1902
- Species Amphora kittonii Leuduger-Fortmorel, 1879
- Species Amphora kolbei Aleem, 1950
- Species Amphora kolbei Skvortzow, 1971
- Species Amphora koshovii A.P.Skabichevskij, 1936
- Species Amphora kossuthii Pantocsek, 1889
- Species Amphora krammeri Levkov & Metzeltin, 2009
- Species Amphora kuehniae Schoeman, 1970
- Species Amphora labuensis Cleve
- Species Amphora labyrinthica Grunow in Cleve & Grunow, 1880
- Species Amphora lacinia A.H.Wachnicka & E.E.Gaiser, 2007
- Species Amphora lacustris R.E.M. Archibald, 1966
- Species Amphora laevis Gregory, 1857
- Species Amphora laevis sensu Juhlin-Dannfelt, 1882
- Species Amphora laevis Meneghini, 1848
- Species Amphora laevis Ehrenberg, 1854
- Species Amphora laevissima W.Gregory, 1857
- Species Amphora laevissima sensu H.L. Smith, 1874
- Species Amphora lagerheimii Cleve, 1894
- Species Amphora lanceolata Ehrenberg
- Species Amphora langebaanae Giffen, 1975
- Species Amphora lange-bertalotii Levkov & Metzeltin, 2009
- Species Amphora latecingulata M. Peragallo in Tempère & Peragallo, 1908
- Species Amphora lativentralis Stepanek & Kociolek, 2018
- Species Amphora lecoqi Amossé, 1975
- Species Amphora leeana S.Mayama & T.Nagumo, 2000
- Species Amphora leighsmithiana O'Meara, 1874
- Species Amphora lepta Schrader, 1969
- Species Amphora leudugeriana Petit
- Species Amphora levenensis E.Y.Haw., 1974
- Species Amphora libyca Ehrenberg, 1840
- Species Amphora libyca sensu H.L. Smith, 1874
- Species Amphora lima Pantocsek, 1889
- Species Amphora lima Schmidt, 1874
- Species Amphora limbata Cleve & Grove, 1892
- Species Amphora limpidus Janisch in Schmidt et al., 1876
- Species Amphora lindbergii Cleve-Euler, 1915
- Species Amphora linearis Meister, 1934
- Species Amphora lineata Gregory, 1857
- Species Amphora lineata A. Schmidt in Schmidt et al., 1875
- Species Amphora lineolata Ehrenberg, 1838
- Species Amphora lineolata ‘Ehrenberg' [sensu] Kützing, 1844
- Species Amphora lineolata Donkin, 1861
- Species Amphora lingulata Mereschkowsky, 1902-1903
- Species Amphora liococca Ehrenberg, 1858
- Species Amphora liouiana Skvortzov, 2012
- Species Amphora liouvillei M. Peragallo, 1921
- Species Amphora liriope Nagumo, 2003
- Species Amphora litoralis A.S.Donkin
- Species Amphora litoralis sensu Cleve & Möller, 1879
- Species Amphora lóczyi Pantocsek, 1889
- Species Amphora longa Hustedt, 1955
- Species Amphora longiceps Simonsen, 1960
- Species Amphora luciae Cholnoky, 1960
- Species Amphora lunaris Mann, 1925
- Species Amphora lunaris Meister, 1937
- Species Amphora lunata E.V.Østrup
- Species Amphora lunatiformis Levkov, 2009 †
- Species Amphora lunula Cleve, 1895
- Species Amphora lunulata A.H.Wachnicka & E.E.Gaiser, 2007
- Species Amphora lunyacsekii Pantocsek, 1889
- Species Amphora lutea Leuduger-Fortmorel, 1879
- Species Amphora lutea A.H. Wachnicka & E.E. Gaiser, 2007
- Species Amphora luteum A.H.Wachnicka & E.E.Gaiser, 2007
- Species Amphora lybica Ehrenberg, 1840
- Species Amphora lydiae Guslyakov, 1987
- Species Amphora lyrata Gregory, 1857
- Species Amphora lyrata A. Schmidt in Schmidt et al., 1875
- Species Amphora macedoniensis Nagumo, 2003
- Species Amphora macilenta Gregory, 1857 accepted as Seminavis macilenta (Gregory) D.B.Danielidis & D.G.Mann, 2002
- Species Amphora maeandrina Cleve, 1895
- Species Amphora maeotica Pantocsek, 1902
- Species Amphora magellanica P.C.M.Petit
- Species Amphora magna Levkov, 2009 †
- Species Amphora magnifica Greville, 1863
- Species Amphora maharashtrensis Sarode & Kamat, 1984
- Species Amphora makarovae Guslyakov, 1987
- Species Amphora maletractata Simonsen, 1992
- Species Amphora manifesta J.G.Stepanek & J.P.Kociolek, 2013
- Species Amphora mansiensis Foged, 1966
- Species Amphora maracaiboensis Levkov, 2009
- Species Amphora marchesettiana Pantocsek, 1902
- Species Amphora margalefii X. Tomàs in Sabater et al., 1990
- Species Amphora margaritifera Cleve, 1895
- Species Amphora marginata Østrup, 1901
- Species Amphora maria Hanna & Grant, 1926
- Species Amphora marina W.Smith, 1857
- Species Amphora marina (Castracane) T.V.Desikachary & P.Prema, 1987 accepted as Cymbella marina Castracane, 1886
- Species Amphora marina Ralfs in Pritchard, 1861
- Species Amphora marina Van Heurck ex Cleve, 1895
- Species Amphora mauritiana (Grunow) H.L. Smith, 1873 accepted as Amphora cymbelloides var. mauritiana Grunow, 1867
- Species Amphora megapora Pantocsek, 1889
- Species Amphora meisteri VanLandingham, 1967
- Species Amphora membranacea W.Smith, 1853
- Species Amphora membranacea Brébisson ex Cleve & Möller, 1878
- Species Amphora memorabilis Pomazkina & Rodionova, 2014
- Species Amphora meneghiniana Castracane, 1886
- Species Amphora menisca M.H.Hohn & J.Hellerman, 1963
- Species Amphora meridionalis Levkov, 2009 †
- Species Amphora metzeltinii Levkov, 2009
- Species Amphora mexicana Schmidt
- Species Amphora meyeri Skvortzov, 2012
- Species Amphora micans A. Schmidt in Schmidt et al., 1875
- Species Amphora michiganensis Stoermer & Yang, 1971
- Species Amphora micra Levkov, 2009
- Species Amphora micrometra Giffen emend. Acs, Kiss & Levkov in Acs et al., 2011
- Species Amphora micrometroides Andrews
- Species Amphora milesiana Gregory, 1857
- Species Amphora minima Hustedt, 1955
- Species Amphora minuscula Frenguelli, 1934 †
- Species Amphora minuta Pantocsek, 1889
- Species Amphora minutissima W.Smith, 1853
- Species Amphora miocenica Hajós, 1959
- Species Amphora miocenica Hajós & Palfalvy, 1961
- Species Amphora mira Krasske, 1949 accepted as Halamphora mira (Krasske) Levkov, 2009
- Species Amphora miramaris Frenguelli, 1925
- Species Amphora moelleri Foged, 1971
- Species Amphora mongolica Østrup, 1908
- Species Amphora monilifera Gregory, 1857
- Species Amphora monilifera ‘Leuduger-Fortmorel' according to Peragallo
- Species Amphora montana Krasske, 1932 †
- Species Amphora montgomeryi A.H.Wachnicka & E.E.Gaiser, 2007
- Species Amphora mucronata H.L.Smith, 1877
- Species Amphora muelleri A. Schmidt in Schmidt et al., 1875
- Species Amphora multigramma Hohn & Hellerman, 1966
- Species Amphora munda Schmidt in Schmidt et al., 1876
- Species Amphora mutabunda E.E.Manguin, 1952
- Species Amphora nagomayae Pomazkina & Rodionova, 2014
- Species Amphora nagpurensis Sarode & Kamat, 1984
- Species Amphora nagumoi Levkov & Pavlov, 2009
- Species Amphora nana W.Gregory
- Species Amphora nana ‘Rabenhorst' according to De Toni, 1891
- Species Amphora nana Flögel, 1873
- Species Amphora natalensis Cholnoky, 1960
- Species Amphora naumannii Janisch in Schmidt et al., 1876
- Species Amphora naviculacea Donkin, 1861
- Species Amphora navicularis Ehrenberg, 1843
- Species Amphora naviformis Leuduger-Fortmorel, 1892
- Species Amphora neglecta Stoermer & Yang, 1971
- Species Amphora neglectiformis Levkov & Edlund, 2009
- Species Amphora neogradensis Pantocsek, 1889
- Species Amphora neomarina T.V.Desikachary & P.Prema, 1989
- Species Amphora neupaueri Pantocsek, 1889
- Species Amphora nilotica Ehrenberg, 1854
- Species Amphora nipponica Levkov, 2009
- Species Amphora nobilis Flogel, 1873
- Species Amphora nobilis Gregory, 1857
- Species Amphora nodosa Brun, 1891
- Species Amphora normanii Rabenhorst, 1864
- Species Amphora normannii accepted as Amphora normanii Rabenhorst, 1864
- Species Amphora nova caledonica Grunow, 1875
- Species Amphora nova caledonica (sensu?) Pantocsek, 1892
- Species Amphora novaeguineae Cholnoky, 1963
- Species Amphora nuda Leuduger-Fortmorel, 1892
- Species Amphora nuwukiana Patrick & Freese, 1961 accepted as Halamphora nuwukiana (Patrick & Freese) Levkov, 2009
- Species Amphora oamaruensis Schrader, 1969
- Species Amphora oamaruensis ‘Grove Collection' according to Mills
- Species Amphora obesa Cleve & Grove, 1892
- Species Amphora oblonga Gregory, 1857
- Species Amphora oblongella Grunow, 1878
- Species Amphora obscura Krasske, 1938
- Species Amphora obscura Reichelt, 1903
- Species Amphora obtecta L.W. Bailey, 1861
- Species Amphora obtusa W.Gregory, 1857
- Species Amphora obtusa sensu Schmidt in Schmidt et al., 1876
- Species Amphora obtusa Leuduger-Fortmorel, 1879
- Species Amphora obtusaeformis Cholnoky, 1961
- Species Amphora obtusiuscula Grunow in Schmidt et al., 1875
- Species Amphora occidentalis Amossé, 1932
- Species Amphora oceanica Castracane, 1886
- Species Amphora ocellata Donkin, 1861
- Species Amphora ocellata Ehrenberg, 1838
- Species Amphora oculus A.W.F.Schmidt
- Species Amphora ognjanovae Metzeltin & Levkov, 2009 †
- Species Amphora ohgii Skvortzow, 1929
- Species Amphora ohridana Levkov, 2007
- Species Amphora okawangoi Cholnoky, 1966
- Species Amphora oligotraphenta Lange-Bertalot, 1996
- Species Amphora onclinorum (Compère) K. Krammer, 1997 accepted as Cymbella oncliniorum Compère, 1967
- Species Amphora ornata Leuduger-Fortmorel, 1879
- Species Amphora oscitans Frenguelli, 1936
- Species Amphora ostenfeldii Hustedt, 1922
- Species Amphora ostrearia Brébisson, 1849
- Species Amphora ovalis (Kützing) Kützing, 1844
- Variety Amphora ovalis var. affinis (Kützing) van Heurck, 1885 accepted as Amphora affinis Kützing, 1844
- Variety Amphora ovalis var. baicalensis Skvortzow & Meyer, 1928
- Variety Amphora ovalis var. baltica (Brander) Tynni, 1978 accepted as Amphora baltica Brander, 1933
- Variety Amphora ovalis var. barrowiana Patrick & Freese, 1961
- Variety Amphora ovalis var. constricta Skvortzow, 1937
- Variety Amphora ovalis var. elliptica Petit in H. Peragallo in Pelletan, 1889
- Variety Amphora ovalis var. elliptica Petit, 1877
- Variety Amphora ovalis var. elongata Jurilj, 1954
- Variety Amphora ovalis var. elongata Østrup in Héribaud, 1920
- Variety Amphora ovalis var. forma Foged, 1966
- Variety Amphora ovalis var. fossilis ‘Pantocsek' according to Mills, 1889
- Variety Amphora ovalis var. globosa (Schumann) Schumann, 1869 accepted as Amphora globosa Schumann, 1867
- Variety Amphora ovalis var. globosa (Schumann) Cleve, 1891 accepted as Amphora globosa Schumann, 1867
- Variety Amphora ovalis var. gracilis (Ehrenberg) van Heurck, 1885 accepted as Amphora gracilis f. gracilis Ehrenberg, 1843
- Variety Amphora ovalis var. hybrida (Grunow) Cleve
- Variety Amphora ovalis var. lata Levkov, 2009
- Variety Amphora ovalis var. libyca (Ehrenberg) Cleve, 1895 accepted as Amphora libyca f. libyca Ehrenberg, 1840
- Variety Amphora ovalis var. minor Rabenhorst, 1864
- Variety Amphora ovalis var. minor Kützing, 1844
- Variety Amphora ovalis var. minutissima (W.Smith) Hurter, 1928 accepted as Amphora minutissima W.Smith, 1853
- Variety Amphora ovalis var. nana ‘Plutenko, 1871' according to Hollerbakh & Krasavina, 1971
- Variety Amphora ovalis var. nikiskii Stone in McLaughlin & Stone, 1986
- Variety Amphora ovalis var. ovalis
- Variety Amphora ovalis var. pediculus Kützing, 1844 accepted as Amphora pediculus (Kützing) Grunow ex A.Schmidt, 1875
- Variety Amphora ovalis var. pediculus (Kützing) Van Heurck, 1885 accepted as Amphora pediculus (Kützing) Grunow ex A.Schmidt, 1875
- Variety Amphora ovalis var. pediculus (Kützing) Pero, 1893 accepted as Cymbella pediculus Kützing, 1844
- Variety Amphora ovalis var. pellucida (W.Gregory) G.L.Rabenhorst, 1864 accepted as Amphora pellucida W.Gregory, 1857
- Variety Amphora ovalis var. perlonga Meister, 1912
- Variety Amphora ovalis var. permiana ‘Zanon' VanLandingham, 1979
- Variety Amphora ovalis var. perpusilla Meyer & Reinhardt, 1925
- Variety Amphora ovalis var. rostrata Mereschkowsky, 1903
- Variety Amphora ovalis var. tallingiae Gasse, 1986
- Variety Amphora ovalis var. tenuis Levkov, 2009
- Variety Amphora ovalis var. typica (Cleve) F.Meister accepted as Amphora ovalis f. typica Cleve, 1895
- Variety Amphora ovalis var. viridis Karsten, 1899
- Variety Amphora ovalis var. vittata Cleve-Euler, 1932
- Forma Amphora ovalis f. affinis (Kützing) Van Heurck, 1885 accepted as Amphora affinis f. affinis Kützing, 1844
- Forma Amphora ovalis f. affinis (Kützing) Pero, 1893 accepted as Amphora affinis f. affinis Kützing, 1844
- Forma Amphora ovalis f. angusta Mayer
- Forma Amphora ovalis f. elliptica Rabenhorst, 1864
- Forma Amphora ovalis f. exilis (Grunow in Van Heurck) Grunow in Van Heurck, 1885 accepted as Amphora pediculus var. exilis Grunow in Van Heurck, 1880
- Forma Amphora ovalis f. globosa (Schumann) Mayer accepted as Amphora globosa Schumann, 1867
- Forma Amphora ovalis f. gracilis (Ehrenberg) Cleve
- Forma Amphora ovalis f. gracilis (Ehrenberg) Hustedt, 1930 accepted as Amphora gracilis f. gracilis Ehrenberg, 1843
- Forma Amphora ovalis f. gracilis Aleksenko, 1892
- Forma Amphora ovalis f. levissima Borscow, 1870
- Forma Amphora ovalis f. lybica Nikonov, 1959
- Forma Amphora ovalis f. maior Istvánffi, 1897
- Forma Amphora ovalis f. major Istvánffi, 1897
- Forma Amphora ovalis f. minor
- Forma Amphora ovalis f. minor Gaponov, 1915
- Forma Amphora ovalis f. minor (Grunow in Van Heurck) Van Heurck, 1885 accepted as Amphora affinis f. minor Grunow in Van Heurck, 1880
- Forma Amphora ovalis f. minor (Grunow in Van Heurck) Grunow in Van Heurck, 1885 accepted as Amphora pediculus var. minor Grunow in Van Heurck, 1880
- Forma Amphora ovalis f. minutissima (W.Smith) Ant.Mayer, 1913 accepted as Amphora minutissima W.Smith, 1853
- Forma Amphora ovalis f. mongolica Skvortzow, 1929
- Forma Amphora ovalis f. nana Rabenhorst, 1864
- Forma Amphora ovalis f. nebulosa Proschkina-Lavrenko, 1963
- Forma Amphora ovalis f. ovalis (Kützing) Kützing, 1844 accepted as Frustulia ovalis Kützing, 1833
- Forma Amphora ovalis f. parva Cleve & Möller, 1879
- Forma Amphora ovalis f. pauca DeNotaris ex Cuboni?, 1887
- Forma Amphora ovalis f. pediculus (Kützing) Van Heurck, 1885 accepted as Cymbella pediculus Kützing, 1844
- Forma Amphora ovalis f. permiana Zanon, 1930
- Forma Amphora ovalis f. robusta Cleve & Möller, 1878
- Forma Amphora ovalis f. typica Cleve, 1895
- Forma Amphora ovalis f. typica Istvánffi, 1897
- Forma Amphora ovalis f. ucranica Reinhard, 1870
- Forma Amphora ovalis f. varia DeNotaris ex Cuboni?, 1887
- Species Amphora ovalis sensu A. Schmidt in Schmidt et al., 1875
- Species Amphora ovalis sensu W. Smith, 1853
- Species Amphora ovum Cleve, 1895
- Species Amphora oxeia H. Peragallo & M. Peragallo, 1899
- Species Amphora pagesi Lauby, 1910
- Species Amphora pallida Frenguelli, 1930
- Species Amphora paludosa ‘Kisselev, 1940'
- Species Amphora pampaninii Forti, 1928
- Species Amphora pampaninii Zanon, 1948
- Species Amphora pannonica Hajós, 1973
- Species Amphora pannucea M.H.Giffen, 1984
- Species Amphora pantocsekii Hajós, 1968
- Species Amphora pantocsekii De Toni, 1891
- Species Amphora paracopulata Levkov & Edlund, 2009
- Species Amphora paradoxa Ehrenberg, 1854
- Species Amphora parallela Flogel, 1873
- Species Amphora parallelistriata Manguin ex Kociolek & Reviers, 1996
- Species Amphora parallelistriata Manguin, 1961
- Species Amphora parasitica Bleisch, 1863
- Species Amphora parastriata Stepanek & Kociolek, 2018
- Species Amphora paraveneta Lange-Bertalot, Cavacini, Tagliaventi & Alfinito, 2003
- Species Amphora parva Rodionova & Pomazkina, 2014
- Species Amphora parvula Proschkina-Lavrenko, 1963
- Species Amphora pauca Mann, 1925
- Species Amphora paulii Patrick, 1970
- Species Amphora pavillardii M. Peragallo, 1929
- Species Amphora pavimentum Boyer, 1922
- Species Amphora pecten J.-J.Brun
- Species Amphora pediculus (Kützing) Grunow ex A.Schmidt, 1875
- Species Amphora pellucida W.Gregory, 1857
- Species Amphora pellucida sensu A. Schmidt in Schmidt et al., 1875
- Species Amphora peraffinis Levkov, 2009 †
- Species Amphora peragalli Cleve
- Species Amphora peragallorum Van Heurck
- Species Amphora permagna Pantocsek, 1889
- Species Amphora perpusilla Grunow, 1884 accepted as Amphora globulosa var. perpusilla Grunow, 1880
- Species Amphora perstriata
- Species Amphora pestilenta Giffen, 1980
- Species Amphora petermannii M. Peragallo, 1921
- Species Amphora petiti Leuduger-Fortmorel, 1892
- Species Amphora petiti Tempère & Brun in Brun & Tempère, 1889
- Species Amphora peuchi ‘Lauby' Mills, 1910
- Species Amphora philippinica Castracane, 1886
- Species Amphora pimenteli M. Peragallo, 1921
- Species Amphora piper Cholnoky, 1968
- Species Amphora platensis Frenguelli, 1945
- Species Amphora plativalvata T. Nagumo, 2003
- Species Amphora pleniluna Hohn & Hellerman, 1966
- Species Amphora pleurosigma Tempère & Brun in Brun & Tempère, 1889
- Species Amphora plicata Gregory, 1857
- Species Amphora polaris Østrup, 1895
- Species Amphora polaris sensu Cleve-Euler, 1915
- Species Amphora polita Krasske, 1939
- Species Amphora polonica Zelazna-Wieczorek & Lange-Bertalot, 2011
- Species Amphora polycocca Mereschkowsky, 1902-1903
- Species Amphora polyzonata Castracane, 1886
- Species Amphora pontica Mereschkowsky, 1901
- Species Amphora porcellus Kitton in Schmidt et al., 1876
- Species Amphora praelata Hendey, 1973
- Species Amphora praevalida Janisch, 1888
- Species Amphora prespanensis Levkov, Krstic & Metzeltin, 2007
- Species Amphora prisca Cleve & Grove
- Species Amphora prismatica Cleve, 1895
- Species Amphora proboscidea Gregory, 1857
- Species Amphora proboscidea Cleve, 1895
- Species Amphora profusa M.H.Giffen, 1971
- Species Amphora proschkiniana Guslyakov, 1987
- Species Amphora proteoides Hustedt
- Species Amphora proteus Gregory, 1857
- Species Amphora protracta Pantocsek
- Species Amphora prudentii Héribaud, 1920
- Species Amphora pseudaequalis Levkov, 2009
- Species Amphora pseudocingulata De Toni, 1891
- Species Amphora pseudoeximia Levkov, 2009
- Species Amphora pseudoeximiformis Rodionova & Pomazkina, 2014
- Species Amphora pseudograeffeana Stepanek & Kociolek, 2018
- Species Amphora pseudoholsatica T.Nagumo & H.Kobayasi, 1990
- Species Amphora pseudohyalina Simonsen, 1960
- Species Amphora pseudomicra Pomazkina & Rodionova, 2014
- Species Amphora pseudominutissima Levkov, 2009
- Species Amphora pseudomontana Cholnoky, 1960
- Species Amphora pseudoproteus A.H.Wachnicka & E.E.Gaiser, 2007
- Species Amphora pseudosibirica Levkov & Pavlov, 2009
- Species Amphora pseudospectabilis Levkov, 2009
- Species Amphora pseudotenuissima A.H.Wachnicka & E.E.Gaiser, 2007
- Species Amphora puechi Lauby, 1910
- Species Amphora pulchella H.Perag. & M.Perag., 1898
- Species Amphora pulchra Greville, 1863
- Species Amphora punctata Andrews, 1971
- Species Amphora punctata Schrader, 1969
- Species Amphora punctifera Grunow in Cleve & Möller, 1882
- Species Amphora pura Levkov, 2009
- Species Amphora pusilla Gregory, 1857
- Species Amphora pusio Cleve, 1895
- Species Amphora quadrangulata Mereschkowsky, 1901
- Species Amphora quadrata Gregory, 1857
- Species Amphora quadrata Brébisson ex Kützing, 1849
- Species Amphora quadricostata Rabenhorst, 1853
- Species Amphora quadrisulcata Rabenhorst in Cleve & Möller, 1879
- Species Amphora quadrisulcum H. Peragallo in Tempère & Peragallo, 1909
- Species Amphora racovitzae van Heurck, 1909
- Species Amphora ramsbottomi Salah, 1955
- Species Amphora ranomafanensis Manguin, 1952
- Species Amphora rattrayi Cleve & Möller, 1882
- Species Amphora recens Levkov & Nakov, 2009
- Species Amphora recessa Mann, 1925
- Species Amphora recondita Levkov & Nakov, 2009
- Species Amphora recta Grunow in Van Heurck, 1883 accepted as Amphiprora recta Gregory, 1857
- Species Amphora recta ‘De Toni' according to M. Peragallo, 1897
- Species Amphora recta Leuduger-Fortmorel, 1879
- Species Amphora rectangularis Gregory, 1857
- Species Amphora rectilineata Cleve & Grove in Cleve, 1895
- Species Amphora recurva Meister, 1937
- Species Amphora reichardtiana Grunow, 1867
- Species Amphora reinholdi Hanna, 1932
- Species Amphora reinholdii G.D.Hanna, 1932 †
- Species Amphora reneta
- Species Amphora reniformis Sreenivasa & Duthie, 1971
- Species Amphora reniformis Guo, Xie & Li, 1997
- Species Amphora revirescens Pantocsek, 1902
- Species Amphora rhombica Kitton, 1876 accepted as Tetramphora rhombica (Kitton in Schmidt, 1876) Stepanek & Kociolek, 2016
- Species Amphora richardiana Cholnoky, 1968
- Species Amphora ridicula Giffen, 1976
- Species Amphora rimosa Ehrenberg, 1838
- Species Amphora robertsonii A.C.Podzorski, 1985
- Species Amphora robusta Gregory, 1857
- Species Amphora robusta sensu A. Schmidt in Schmidt et al., 1875
- Species Amphora robusta sensu A. Schmidt in Schmidt et al., 1875
- Species Amphora roettgeri Lee & Reimer, 1984
- Species Amphora rognonii Gasse, 1975 †
- Species Amphora rossi Hajós, 1973
- Species Amphora rostrata van Heurck, 1896
- Species Amphora rostrigera Frenguelli, 1936
- Species Amphora rotunda Skvortzow, 1937
- Species Amphora rugosa Hustedt, 1937
- Species Amphora russica Pantocsek, 1902
- Species Amphora sabiniana Reimer, 1975
- Species Amphora sabyii Salah, 1955
- Species Amphora salina W.Smith, 1853 accepted as Halamphora coffeiformis (C.Agardh) Levkov, 2009
- Species Amphora salina (Van Heurck) Comère, 1901 accepted as Amphora salina var. minor Van Heurck, 1885
- Species Amphora salsa Patrick & Freese, 1961
- Species Amphora samoensis M. Peragallo in Peragallo & Peragallo, 1911
- Species Amphora sanctenectairense Rochoux d'Aubert, 1920
- Species Amphora sancti-cataldi Zanon, 1933
- Species Amphora sanctimartiali
- Species Amphora sancti-naumii Levkov & Metzeltin, 2007
- Species Amphora sarmatica Pantocsek, 1886
- Species Amphora sarmatica Gaponov, 1915
- Species Amphora sarniensis Greville
- Species Amphora sarniensis A. Schmidt in Schmidt et al., 1875
- Species Amphora scabriuscula Cleve & Grove in Cleve, 1893
- Species Amphora scala Cleve & Grove
- Species Amphora scalaris Castracane, 1886
- Species Amphora scardica Levkov, 2009
- Species Amphora schleinitzii C.Janisch, 1876
- Species Amphora schmidtii Grunow
- Species Amphora schmidtii Petit, 1877
- Species Amphora schroederi Hustedt, 1921
- Species Amphora scopulorum Giffen, 1980
- Species Amphora scotica ‘Cleve' according to Van Heurck
- Species Amphora sculpta Frenguelli, 1934 †
- Species Amphora scutella A.H.Wachnicka & E.E.Gaiser, 2007
- Species Amphora securicula H.Peragallo & M.Peragallo, 1899 accepted as Tetramphora securicula (Peragallo & Peragallo, 1899) Stepanek & Kociolek
- Species Amphora sejuncta Pantocsek, 1892
- Species Amphora semen Ehrenberg, 1854
- Species Amphora seminuda Meister, 1937
- Species Amphora semi-ovum Leuduger-Fortmorel, 1898
- Species Amphora semperpalorum A.H.Wachnicka & E.E.Gaiser, 2007
- Species Amphora sendaiana J. Brun, 1891
- Species Amphora sendaiense ‘J. Brun' according to Tempère & Peragallo
- Species Amphora senonquei M. Peragallo, 1921
- Species Amphora separanda M. Peragallo in Peragallo & Peragallo, 1911
- Species Amphora septentrionalis Østrup, 1895
- Species Amphora sepulta Pantocsek, 1886
- Species Amphora serrata Skabichevskii, 1936
- Species Amphora serrataeformis Levkov, 2009
- Species Amphora sibirica Skvortzow & Meyer, 1928
- Species Amphora sima Mann, 1925
- Species Amphora similis Levkov, 2009 †
- Species Amphora simplex Leuduger-Fortmorel, 1898
- Species Amphora sinensis A. Schmidt in Schmidt et al., 1875
- Species Amphora sinuata Greville, 1863
- Species Amphora sinuata sensu Grunow in Schmidt et al., 1875
- Species Amphora skvortzowii Levkov, 2009
- Species Amphora soelsvigiensis Petit, 1888
- Species Amphora sokolovii Missuna, 1914
- Species Amphora somalica Frenguelli, 1927
- Species Amphora soninkhishigae M.B. Edlund, A.L.C. Shinneman & Z. Levkov, 2009
- Species Amphora sparsa K.E. Lohman, 1957
- Species Amphora spartinetensis Sullivan & Reimer, 1975
- Species Amphora speciosa Castracane, 1886
- Species Amphora spectabilis Gregory, 1857
- Species Amphora spitzbergenensis VanLandingham, 1967
- Species Amphora splendida Rivera, 1974
- Species Amphora spriggerica A.H.Wachnicka & E.E.Gaiser, 2007
- Species Amphora staubii Pantocsek, 1892 †
- Species Amphora staurohyalina A.C.Podzorski & H.Håkansson, 1987
- Species Amphora stauroneiformis ‘Lorenz manuscript' according to Grunow
- Species Amphora staurophora Castracane, 1886
- Species Amphora staurophora Juhlin-Dannfelt, 1882
- Species Amphora staurophora Pantocsek, 1889
- Species Amphora staurophora Cleve, 1895
- Species Amphora stauroptera J.W.Bailey, 1854
- Species Amphora staurosira Loseva, 1982
- Species Amphora stechlinensis Levkov & Metzeltin, 2009
- Species Amphora stoermeri Edlund & Levkov, 2009
- Species Amphora stoermerii M. Edlund & Z. Levkov in Z. Levkov, 2009
- Species Amphora strangulata Leuduger-Fortmorel, 1879
- Species Amphora streckerae Krammer, 1997
- Species Amphora striata Eichwald, 1852
- Species Amphora striata Hajós, 1968
- Species Amphora striata Pantocsek, 1886
- Species Amphora strigata Pantocsek, 1892
- Species Amphora strigosa Hustedt, 1949
- Species Amphora striolata Pantocsek, 1889
- Species Amphora stroppiana Selva, 1981
- Species Amphora studeri Janisch in Schmidt et al., 1876
- Species Amphora sturtii Grunow, 1888
- Species Amphora suavis Pantocsek, 1892 †
- Species Amphora subacutiuscula Schoeman, 1972
- Species Amphora subaequalis Levkov, 2009
- Species Amphora subalata M. Peragallo in H. Peragallo & M. Peragallo, 1911
- Species Amphora subangularis Hustedt, 1955
- Species Amphora subatomus Levkov, 2009
- Species Amphora subcapitata (Kisselew) Hustedt, 1959 accepted as Amphora veneta var. subcapitata Kisselew, 1932
- Species Amphora subconstricta Levkov, 2009
- Species Amphora subcostulata Stoermer & Yang, 1971
- Species Amphora subcuneata Hustedt, 1955
- Species Amphora subelliptica Mereschkowsky, 1902-1903
- Species Amphora subholsatica Krammer, 1997
- Species Amphora subhyalina A.C.Podzorski & H.Håkansson, 1987
- Species Amphora subinflata Grunow ex A.Schmidt, 1875
- Species Amphora sublaevis F.Hustedt, 1955
- Species Amphora submontana Hustedt, 1949
- Species Amphora subovalis Renault ex Lauby, 1910
- Species Amphora subpunctata Grove & Sturt, 1887
- Species Amphora subrobusta Hustedt, 1927
- Species Amphora subrotunda Levkov, 2009
- Species Amphora subsalina Skvortzov, 2012
- Species Amphora subtilis Grunow in Cleve & Möller, 1879
- Species Amphora subtilissima R.Simonsen
- Species Amphora subtropica A.H.Wachnicka & E.E.Gaiser, 2007 accepted as Halamphora subtropica (A.H.Wachnicka & E.E.Gaiser) Stepanek & Kociolek, 2018
- Species Amphora subturbida Levkov, 2009
- Species Amphora subturgida Hustedt, 1937
- Species Amphora suessii Missuna, 1913
- Species Amphora sulcata Brébisson, 1854
- Species Amphora sulcata Gregory, 1854
- Species Amphora sulcata Juhlin-Dannfelt, 1882
- Species Amphora sulcata Cleve, 1895
- Species Amphora sulcata A. Schmidt in Schmidt et al., 1875
- Species Amphora sumatrensis Leuduger-Fortmorel, 1892
- Species Amphora suspecta Marsson, 1900
- Species Amphora svavis ‘Pantocsek' Mills, 1933
- Species Amphora sydowii Cholnoky, 1963
- Species Amphora szabói Pantocsek, 1889
- Species Amphora szontághii Pantocsek, 1889
- Species Amphora tahitiana Castracane, 1886
- Species Amphora tamnaeana Guermeur, 1954
- Species Amphora tanganyikae Caljon, 1992
- Species Amphora tasmanica W.Vyverman, Sabbe, R.Vyverman, Hodgon & Muylaert
- Species Amphora taylori Grunow in Van Heurck
- Species Amphora tegetum A.H.Wachnicka & E.E.Gaiser, 2007
- Species Amphora tenae Zanon, 1928
- Species Amphora tenellula Giffen, 1970
- Species Amphora tenera W.Smith, 1853
- Species Amphora tenerascens Cholnoky, 1961
- Species Amphora tenerrima Aleem & Hustedt, 1951
- Species Amphora tenuirostris Marsson, 1900
- Species Amphora tenuis Flögel, 1873
- Species Amphora tenuissima Hustedt, 1955
- Species Amphora tenuissima Giffen, 1967
- Species Amphora tenuistriata Manguin, 1952
- Species Amphora terroris Ehrenberg, 1853 accepted as
- Species Amphora tertiaria Pantocsek, 1889
- Species Amphora tessellata Grove & Sturt, 1887
- Species Amphora testudinata Hohn & Hellerman, 1966
- Species Amphora teta Karsten, 1899
- Species Amphora tetragibba Cleve, 1895
- Species Amphora thaitiana Castracane, 1886
- Species Amphora thermalis Hustedt, 1949
- Species Amphora theta ‘Karsten' Mills, 1933
- Species Amphora thromboliticola Cocquyt, 1991
- Species Amphora thumensis (Mayer) Krieger, 1929 † accepted as Amphora coffeaeformis var. thumensis Mayer, 1919
- Species Amphora tibestiensis Amossé, 1925
- Species Amphora tithonia Pantocsek, 1902
- Species Amphora tithoniana Pantocsek, 1902
- Species Amphora tomassiniana Pantocsek, 1902
- Species Amphora tomassinii Pantocsek, 1902
- Species Amphora tomiakae Witkowski, Lange-Bertalot & Metzeltin, 2000
- Species Amphora torontoensis Sreenivasa & Duthie, 1971
- Species Amphora tortonica Hajós, 1968
- Species Amphora towutensis Hustedt, 1942
- Species Amphora transcaspica (J.B.Petersen) A.Dulmaa accepted as Amphora coffeaeformis var. transcaspica Petersen, 1930
- Species Amphora transfixa Meister, 1937
- Species Amphora transsylvanica Jurilj, 1954
- Species Amphora transylvanica Pantocsek, 1892 †
- Species Amphora treubii Leuduger-Fortmorel, 1892
- Species Amphora triasica Zanon, 1929
- Species Amphora triseriata Ricard, 1975
- Species Amphora triundulata Ross, 1947
- Species Amphora tropidoneioides Salah, 1955
- Species Amphora truncata Gregory, 1857
- Species Amphora truncata Cleve, 1895
- Species Amphora tucumana Herbst & Maidana, 1988
- Species Amphora tumida Hustedt, 1956
- Species Amphora tumidula Grunow in Rabenhorst, 1864
- Species Amphora tumulifer Mann, 1925
- Species Amphora turbida Levkov, 2009
- Species Amphora turgida Gregory, 1857 accepted as Halamphora turgida (Gregory) Levkov, 2009
- Species Amphora twenteana K.Krammer, 2003
- Species Amphora uncinatum (Ehrenberg) Edwards, 1906 accepted as Cocconema uncinatum Ehrenberg, 1871
- Species Amphora undata Leuduger-Fortmorel, 1892
- Species Amphora undata H.L. Smith, 1873
- Species Amphora undata ‘Greville' according to VanLandingham, 1967
- Species Amphora undulata Greville, 1863
- Species Amphora vadosini A.H.Wachnicka & E.E.Gaiser, 2007
- Species Amphora valida H.Peragallo, 1888
- Species Amphora variabilis Kozyrenko, 1961
- Species Amphora vaughanii Giffen, 1980
- Species Amphora veneta Kützing, 1844 accepted as Halamphora veneta (Kützing) Levkov, 2009
- Species Amphora veneta A. Schmidt in Schmidt et al., 1875
- Species Amphora veneziana Mereschkowsky, 1901
- Species Amphora ventricosa W.Gregory, 1857
- Species Amphora venusta Østrup, 1910
- Species Amphora verrucosa Pantocsek, 1892
- Species Amphora vetula Levkov, 2009
- Species Amphora vetusta Cleve, 1895
- Species Amphora virgata Østrup, 1910
- Species Amphora vitrea Cleve, 1868
- Species Amphora vitrea Montagne, 1860
- Species Amphora vittata Pantocsek, 1893
- Species Amphora vixvisibilis Ch.Li & Witkowski in Witkowski et al., 2016
- Species Amphora vulgaris Ehrenberg, 1854
- Species Amphora wachenhusenii Janisch in Schmidt et al., 1876
- Species Amphora waldeniana J.G.Stepanek & J.P.Kociolek, 2013
- Species Amphora waldeniana Stepanek & Kociolek, 2018
- Species Amphora wandelensis Petit, 1908
- Species Amphora wangchanii Skvortzov, 2012
- Species Amphora wang-wei Skvortzov, 2012
- Species Amphora weinekii Janisch in Schmidt et al., 1876
- Species Amphora weisneri Pantocsek, 1889
- Species Amphora weissflogii A. Schmidt in Schmidt et al., 1875
- Species Amphora wisei (Salah) Simonsen, 1962 accepted as Amphora turgida var. wisei Salah, 1955
- Species Amphora wittsteinii Janisch in Schmidt et al., 1876
- Species Amphora wresneri Pantocsek in Tempère & Peragallo, 1909
- Species Amphora zebrata Tempère & Brun in Brun & Tempère, 1889
- Species Amphora zebrina Schmidt in Schmidt et al., 1875
- Species Amphora zeta Karsten, 1899
- Variety Amphora var. opina (Kutz.)
- Genus Catenula C. Mereschkowsky, 1903 (1)
- Genus Oxyamphora (Stepanek & Kociolek, 2014)
- Genus Undatella T.B.B. Paddock & P.A. Sims, 1980
- Family Thalassiophysaceae D.G.Mann
- Superorder Bacillariophycidae incertae sedis (32)
- Superorder Eunotiophycanae (293)
- Subclass Coscinodiscophycidae (877)
- Subclass Fragilariophycidae (483)
- Order Centrales
