DiatomBase

Amphora veneta var. gibbosa Frenguelli, 1926 (original description)
Anomoeoneis sculpta var. apiculata Frenguelli, 1926 (original description)
Anomoeoneis sculpta var. minima Frenguelli, 1926 (original description)
Anomoeoneis sculpta var. ornata (Frenguelli) Frenguelli in Auer, 1959 (original description)
Campylodiscus clypeus f. minor (Pantocsek) Frenguelli, 1926 accepted as Campylodiscus clypeus var. minor Pantocsek, 1912 (new combination reference)
Fragilaria construens var. trigibba (Pantocsek) Frenguelli, 1926 accepted as Fragilaria trigibba Pantocsek, 1902 (new combination reference)
Fragilaria peragalli Frenguelli, 1926-1928 (original description)
Gomphonema berggrenii var. capitata Frenguelli, 1926 (original description)
Gomphonema cruciferum Frenguelli, 1926 (original description)
Gomphonema subclavatum var. fossilis Frenguelli, 1926 (original description)
Hantzschia amphioxys var. exilis Frenguelli, 1926 (original description)
Hantzschia faba Frenguelli, 1926 (original description)
Hantzschia limi var. limi Frenguelli, 1926 (original description)
Hantzschia limi var. minor Frenguelli, 1926 (original description)
Hyalodiscus schmidtii Frenguelli, 1926 (original description)
Navicula affinis f. minor Frenguelli, 1924 (original description)
Navicula borealis f. minor (M. Peragallo & Héribaud) Frenguelli, 1926 accepted as Navicula borealis var. minor M. Peragallo & Héribaud in Héribaud, 1893 (new combination reference)
Navicula brevistriata (van Heurck) Frenguelli, 1926 accepted as Navicula gibba var. brevistriata van Heurck, 1885 (new combination reference)
Navicula columnaris var. undulata Frenguelli, 1926 (original description)
Navicula delicata Frenguelli, 1926 † accepted as Pinnularia delicata (Frenguelli) Mills, 1934 accepted as Pinnularia maidanae Guerrero & Vouilloud, 2022 † (original description)
Navicula divergens f. major Frenguelli, 1926 (original description)
Navicula divergens f. minor Frenguelli, 1926 (original description)
Navicula divergens var. laticeps Frenguelli, 1926 accepted as Pinnularia divergens var. laticeps (Frenguelli) Frenguelli, 1933 (original description)
Navicula doeringii var. undulata Frenguelli, 1926 (original description)
Navicula formosa var. cuneata Frenguelli, 1926 accepted as Caloneis westii (W.Smith) Hendey, 1964 (original description)
Navicula magellanica var. minor Frenguelli, 1926 accepted as Neidium magellanicum var. minor (Frenguelli) F.W. Mills, 1934 (original description)
Navicula major f. abnormis Frenguelli, 1926 (original description)
Navicula major f. minor Frenguelli, 1926 (original description)
Navicula major var. perlonga Frenguelli, 1926 (original description)
Navicula pampaeana Frenguelli accepted as Craticula pampeana (Frenguelli) Lange-Bertalot, 2003 accepted as Navicula pampeana var. pampeana Frenguelli, 1926 (original description)
Navicula pampeana Frenguelli, 1926 accepted as Craticula pampeana (Frenguelli) Lange-Bertalot, 2003 accepted as Navicula pampeana var. pampeana Frenguelli, 1926 (original description)
Navicula pampeana var. major Frenguelli, 1926 (original description)
Navicula pampeana var. minor Frenguelli, 1926 (original description)
Navicula pampeana var. pampeana Frenguelli, 1926 (original description)
Navicula peregrina f. fossilis (Héribaud) Frenguelli, 1926 accepted as Navicula peregrina var. fossilis Héribaud, 1903 (new combination reference)
Navicula polygramma f. elliptica Frenguelli, 1926 (original description)
Navicula polygramma f. lanceolata Frenguelli, 1926 (original description)
Navicula sculpta var. apiculata Frenguelli, 1926 (original description)
Navicula sculpta var. minima Frenguelli, 1926 (original description)
Navicula sculpta var. ornata Frenguelli, 1926 (original description)
Navicula subovalis var. major Frenguelli, 1926 (original description)
Navicula subovalis var. minor Frenguelli, 1926 (original description)
Nitzschia amphibia var. acuta Frenguelli, 1926 (original description)
Nitzschia amphioxys var. exilis Frenguelli, 1926 (original description)
Nitzschia faba Frenguelli, 1926 (original description)
Nitzschia limi Frenguelli, 1926 (original description)
Nitzschia limi var. limi Frenguelli, 1926 (original description)
Nitzschia limi var. minor Frenguelli, 1926 (original description)
Novilla fortii Frenguelli, 1926 (original description)
Sigmatella sigma var. rigida (Kützing) Frenguelli, 1926 accepted as Amphipleura rigida Kützing, 1844 (new combination reference)
Stauroneis acuta var. inflata (Heiden in Schmidt et al.) Frenguelli, 1926 accepted as Stauroneis inflata Heiden in Schmidt et al., 1903 (new combination reference)
Surirella fortii Frenguelli, 1926 (original description)

Buenos Aires for Amphora veneta var. gibbosa Frenguelli, 1926 
Buenos Aires for Fragilaria peragalli Frenguelli, 1926-1928 
Buenos Aires for Fragilaria peragalli Frenguelli, 1926-1928 
Buenos Aires for Gomphonema berggrenii var. capitata Frenguelli, 1926 
Buenos Aires for Gomphonema cruciferum Frenguelli, 1926 
Buenos Aires for Gomphonema subclavatum var. fossilis Frenguelli, 1926 
Buenos Aires for Gomphonema subclavatum var. fossilis Frenguelli, 1926 
Buenos Aires for Hyalodiscus schmidtii Frenguelli, 1926 
Buenos Aires for Hyalodiscus schmidtii Frenguelli, 1926 
Buenos Aires for Hyalodiscus schmidtii Frenguelli, 1926 
Buenos Aires for Navicula columnaris var. undulata Frenguelli, 1926 
Buenos Aires for Navicula delicata Frenguelli, 1926 † 
Buenos Aires for Navicula divergens var. laticeps Frenguelli, 1926 
Buenos Aires for Navicula divergens var. laticeps Frenguelli, 1926 
Buenos Aires for Navicula doeringii var. undulata Frenguelli, 1926 
Buenos Aires for Navicula formosa var. cuneata Frenguelli, 1926 
Buenos Aires for Navicula magellanica var. minor Frenguelli, 1926 
Buenos Aires for Navicula major var. perlonga Frenguelli, 1926 
Buenos Aires for Navicula major var. perlonga Frenguelli, 1926 
Buenos Aires for Navicula pampaeana Frenguelli 
Buenos Aires for Navicula pampaeana Frenguelli 
Buenos Aires for Navicula pampaeana Frenguelli 
Buenos Aires for Navicula pampaeana Frenguelli 
Buenos Aires for Navicula pampeana Frenguelli, 1926 
Buenos Aires for Navicula pampeana Frenguelli, 1926 
Buenos Aires for Navicula pampeana Frenguelli, 1926 
Buenos Aires for Navicula pampeana var. major Frenguelli, 1926 
Buenos Aires for Navicula pampeana var. major Frenguelli, 1926 
Buenos Aires for Navicula pampeana var. major Frenguelli, 1926 
Buenos Aires for Navicula pampeana var. minor Frenguelli, 1926 
Buenos Aires for Navicula sculpta var. apiculata Frenguelli, 1926 
Buenos Aires for Navicula sculpta var. minima Frenguelli, 1926 
Buenos Aires for Navicula sculpta var. ornata Frenguelli, 1926 
Buenos Aires for Navicula sculpta var. ornata Frenguelli, 1926 
Buenos Aires for Navicula subovalis var. argentina Frenguelli, 1925 
Buenos Aires for Navicula subovalis var. major Frenguelli, 1926 
Buenos Aires for Navicula subovalis var. minor Frenguelli, 1926 
Buenos Aires for Navicula subovalis var. minor Frenguelli, 1926 
Buenos Aires for Nitzschia amphibia var. acuta Frenguelli, 1926 
Buenos Aires for Nitzschia amphioxys var. exilis Frenguelli, 1926 
Buenos Aires for Nitzschia faba Frenguelli, 1926 
Buenos Aires for Nitzschia faba Frenguelli, 1926 
Buenos Aires for Nitzschia faba Frenguelli, 1926 
Buenos Aires for Nitzschia limi Frenguelli, 1926 
Buenos Aires for Surirella fortii Frenguelli, 1926 
Buenos Aires for Surirella fortii Frenguelli, 1926 

Syntype MLP Colección Diatomeas Argentinas J. Frenguelli - Serie 205, geounit Buenos Aires, identified as Navicula pampaeana Frenguelli
Syntype MLP Colección Diatomeas Argentinas J. Frenguelli - Serie 219, geounit Buenos Aires, identified as Navicula pampaeana Frenguelli
Syntype MLP Colección Diatomeas Argentinas J. Frenguelli - Serie 220, geounit Buenos Aires, identified as Navicula pampaeana Frenguelli