Cyclotubicoalitus undatus Stoermer, Kociolek & Cody, 1990 (uncertain > unassessed )
Detonula confervacea (Cleve) Gran, 1896 accepted as Lauderia confervacea Cleve, 1896
Detonula cystifera Gran, 1900 (uncertain > unassessed )
Detonula delicatula (H.Peragallo) Gran, 1900 accepted as Lauderia delicatula H.Peragallo, 1888
Detonula moseleyana (Castracane) H.H.Gran, 1900 accepted as Lauderia moseleyana Castracane, 1886
Detonula pumila (Castracane) Gran, 1900 accepted as Lauderia pumila Castracane, 1886
Detonula schroederi Gran, 1905 accepted as Lauderia schroederi Bergon, 1902
Detonula subtilissima Proschkina-Lavrenko, 1959 (uncertain > unassessed )
Pleurocyclos stechlinensis S.J.Casper & W.Scheffler, 1986 (uncertain > unassessed )
Skeletonema alternans Stradner in Hajos, 1974 (uncertain > unassessed )
Skeletonema ardens Sarno & Zingone, 2007 (uncertain > unassessed )
Skeletonema barbadense Greville, 1865 †
Skeletonema barbadense var. argus Brun, 1896 (uncertain > unassessed )
Skeletonema barbadense var. barbadense Greville, 1865 (uncertain > unassessed )
Skeletonema costatum (Greville) Cleve, 1873
Skeletonema costatum f. costata (Greville) Cleve, 1873 accepted as Melosira costata Greville, 1866
Skeletonema costatum f. tropicum Smayda, 1963 (uncertain > unassessed )
Skeletonema costatum f. tropicum Smayda, 1966 (uncertain > unassessed )
Skeletonema costatum var. spiralis Mereschkowsky, 1899 (uncertain > unassessed )
Skeletonema cylindraceum Proschkina-Lavrenko & Makarova in Makarova & Proschkina-Lavrenko, 1964 (uncertain > unassessed )
Skeletonema denticulatum Strelnikova, 1974 (uncertain > unassessed )
Skeletonema ditylum Okul, 1940 (uncertain > unassessed )
Skeletonema dohrnii Sarno & Kooistra, 2005 (uncertain > unassessed )
Skeletonema gelidum (Cleve) De Toni, 1894 accepted as Melosira mediterranea var. gelida Cleve, 1883
Skeletonema grethae Zingone & Sarno, 2005 (uncertain > unassessed )
Skeletonema grevillei Sarno & Zingone, 2005 (uncertain > unassessed )
Skeletonema hungaricum Pantocsek, 1886 (uncertain > unassessed )
Skeletonema japonicum Zingone & Sarno, 2005 (uncertain > unassessed )
Skeletonema marinoi Sarno & Zingone, 2005 (uncertain > unassessed )
Skeletonema mediterranea (uncertain > unassessed )
Skeletonema mediterranea var. mediterranea (Grunow in Cleve & Moller; Grunow in Van Heurck) Brun, 1891 accepted as Melosira mediterranea var. mediterranea Grunow ex Cleve & Moller, 1878
Skeletonema mediterranea var. punctifera Brun, 1891 (uncertain > unassessed )
Skeletonema menzelii Guillard, Carpenter & Reimann, 1974 (uncertain > unassessed )
Skeletonema mirabile Grunow ex Van Heurck, 1882 (uncertain > unassessed )
Skeletonema ornata Proschkina-Lavrenko, 1949 (uncertain > unassessed )
Skeletonema penicillus Grunow in Van Heurck, 1883 (uncertain > unassessed )
Skeletonema polychaeta N.I. Strelnikova, 1971 † (uncertain )
Skeletonema potamos (C.I.Weber) Hasle, 1976 accepted as Microsiphona potamos C.I.Weber, 1970
Skeletonema probabilis Jousé in Proschkina-Lavrenko, 1949 (uncertain > unassessed )
Skeletonema pseudocostatum L.K.Medlin, 1991 (uncertain > unassessed )
Skeletonema punctatum Schmidt in Schmidt et al., 1892 (uncertain > unassessed )
Skeletonema rhizosolenia Okul, 1941 (uncertain > unassessed )
Skeletonema simbirskianum Schmidt in Schmidt et al., 1892 (uncertain > unassessed )
Skeletonema spinosum Jousé, 1955 (uncertain > unassessed )
Skeletonema stylifera Brun
Skeletonema stylifera var. stylifera Brun, 1891 (uncertain > unassessed )
Skeletonema styliferum (uncertain > unassessed )
Skeletonema styliferum var. interruptum (Pantocsek) F.W. Mills, 1934 accepted as Zygoceros antiquus var. interruptus Pantocsek, 1892
Skeletonema subantarctica Hajós, 1974 (uncertain > unassessed )
Skeletonema subsalsum (Cleve-Euler) Bethge, 1928 (uncertain > unassessed )
Skeletonema tropicum Cleve, 1900 (uncertain > unassessed )
Skeletonema utriculosa Brun, 1891 (uncertain > unassessed )
Skeletonema ventricosum Anissimova in Proschkina-Lavrenko, 1949 (uncertain > unassessed )
Skeletonemopsis barbadense (Greville) Sims, 1994 accepted as Skeletonema barbadense var. barbadense Greville, 1865
Skeletonemopsis crawfordii Sims, 1994 † (uncertain > unassessed )
Skeletonemopsis mahoodii Sims, 1994 † (uncertain > unassessed )
Skeletonemopsis morenoensis Sims, 1994 † (uncertain > unassessed )
Skeletonemopsis rugosa Sims, 1994 † (uncertain > unassessed )
Skeletonemopsis simbirskiana (A. Schmidt) Sims, 1994 † (uncertain > unassessed )