Traits Taxon list
Aulacoseira accincta (Hohn & Hellerman) Simonsen, 1979
Aulacoseira acicularia Bennett & Kociolek in Kociolek et al., 2014
Aulacoseira aculeifera (Sheshukova-Poretskaya) Simonsen, 1979 †
Aulacoseira agassizii (Ostenfeld) Simonsen, 1979
Aulacoseira agassizii var. malayensis (Hustedt) Simonsen, 1979
Aulacoseira alpigena (Grunow) Krammer, 1991
Aulacoseira ambigua (Grunow) Simonsen, 1979
Aulacoseira ambigua f. curvata (Skabichevskii) G.K. Khursevich & S.A. Fedenya, 2006 (uncertain > unassessed )
Aulacoseira ambigua f. japonica Tuji & D.M.Williams, 2007 (uncertain > unassessed )
Aulacoseira ambigua f. spiralis (Skuja) Ludwig in Ludwig & Valentemoreira, 1990 accepted as Melosira ambigua f. spiralis Skuja, 1948
Aulacoseira americana (Kützing) Simonsen, 1979 †
Aulacoseira antiqua (Moiseeva) Moiseeva, 1986 † accepted as Alveolophora antiqua (A.I.Moisseeva) A.I.Moisseeva, 1990 †
Aulacoseira areolata A.I.Moiseeva, 1986 † accepted as Alveolophora areolata A.I.Moiseeva, 1990 †
Aulacoseira argus (Otto Müller) Simonsen, 1979
Aulacoseira atlymica (Rubina) Moiseeva, 1986 accepted as Melosira atlymica Rubina, 1962
Aulacoseira baicalensis (K. Meyer) Simonsen, 1979
Aulacoseira bellicosa (Héribaud) Simonsen, 1979 †
Aulacoseira brasiliensis P.Tremarin, L.C.Torgan & T. Ludwig, 2012
Aulacoseira californica (Ehrenberg) V. Houk, 2010 accepted as Gaillonella californica Ehrenberg, 1852
Aulacoseira calypsi P.Tremarin, L.C.Torgan & T.Ludwig, 2013
Aulacoseira campylosira (Ehrenberg) V. Houk, 2010 accepted as Gaillonella campylosira Ehrenberg, 1854
Aulacoseira camusii (Héribaud) Simonsen, 1979 †
Aulacoseira canadensis (Hustedt) Simonsen, 1979 †
Aulacoseira canalifera (Brun & Héribaud) Simonsen, 1979
Aulacoseira canalifera var. anastomosans (Héribaud) Simonsen, 1979 †
Aulacoseira cataractarum (Hustedt) Simonsen emend. Genkal & Lupikina, 1998 (uncertain > unassessed )
Aulacoseira cataractorum (Hustedt) Simonsen, 1979
Aulacoseira ceretana Haworth & Sabater, 1993 †
Aulacoseira circularis (Ehrenberg) Crawford, 1981 represented as Liparogyra circularis Ehrenberg, 1848 represented as Orthoseira circularis (Ehrenberg) M.Rybak, Glushchenko & Kulikovskiy in Rybak et al., 2022
Aulacoseira clarensis Benson & Kociolek †
Aulacoseira coroniformis C.Pearce & H.Cremer, 2010
Aulacoseira crassipunctata K. Krammer, 1991 (uncertain > unassessed )
Aulacoseira crassipunctata var. kamtschatica Lupikina & Genkal in Genkal & Lupikina, 1998 (uncertain > unassessed )
Aulacoseira crenulata (Ehrenberg) Thwaites, 1848
Aulacoseira delicatula Kociolek in Kociolek et al., 2014
Aulacoseira dendrophila (Ehrenberg) R.M.Crawford, 1981 accepted as Porocyclia dendrophyla Ehrenberg, 1848
Aulacoseira dendroteres (Ehrenberg) R.M.Crawford, 1981 accepted as Liparogyra dendroteres Ehrenberg, 1848
Aulacoseira dianchiensis Yang, Stoermer & Kociolek, 1994 †
Aulacoseira distans (Ehrenberg) Simonsen, 1979 †
Aulacoseira distans f. lacustris (Grunow) Simonsen, 1979 accepted as Melosira lyrata f. lacustris Grunow in Van Heurck, 1882
Aulacoseira distans f. seriata (Otto Müller) Davydova in Gleser, Makarova, Moisseeva & Nikolaev, 1992 accepted as Melosira lirata var. seriata Otto Müller, 1898
Aulacoseira distans f. seriata (Otto Müller) Vodopian, 1985 accepted as Melosira lirata var. seriata Otto Müller, 1898
Aulacoseira distans var. africana (O.Müll.) Simonsen, 1979
Aulacoseira distans var. helvetica (Hustedt) Simonsen, 1987 accepted as Melosira distans var. helvetica Hustedt, 1943
Aulacoseira distans var. laevissima (Grunow) Haworth, 1988 accepted as Melosira laevissima Grunow, 1882
Aulacoseira distans var. limnetica (Otto Müller) Simonsen, 1979
Aulacoseira elegans (Mukhina) Simonsen, 1979 accepted as Melosira elegans Mukhina in Jousé & Mukhina, 1978
Aulacoseira elliptica Tsoy emend. Usoltseva & Tsoy †
Aulacoseira epidendron (Ehrenberg) R.M.Crawford, 1981 accepted as Stephanosira epidendron Ehrenberg, 1848
Aulacoseira euareolata K.Shinohara, A.Maruyama, B.Rusuwa & T.Ohtsuka, 2014
Aulacoseira excurrens (Nygaard) Simonsen, 1979 accepted as Melosira excurrens Nygaard, 1956
Aulacoseira fennoscandica (Cleve-Euler) R.Ross, 1986 accepted as Melosira fennoscandica f. fennoscandica Cleve-Euler, 1951
Aulacoseira frenguelliana Casa & Van de Vijver in Casa et al., 2017
Aulacoseira fuegiana (Frenguelli) Casa, López Bedogni & Van de Vijver, 2017
Aulacoseira gadebensis (Gasse, 1980) Mohan & Stone, 2016 †
Aulacoseira gessneri (Hustedt) Simonsen, 1987
Aulacoseira goetzeana (Otto Müller) Simonsen, 1979 accepted as Melosira goetzeana f. goetzeana Otto Müller, 1904
Aulacoseira granulata (Ehrenberg) Simonsen, 1979
Aulacoseira granulata f. curvata (Hustedt) Simonsen, 1979 accepted as Melosira granulata f. curvata Hustedt, 1935
Aulacoseira granulata f. spiralis (Hustedt) D.B.Czarnecki & D.C.Reinke, 1982 accepted as Melosira granulata f. spiralis Hustedt, 1927
Aulacoseira granulata var. angustissima (O.F.Müller) Simonsen, 1979 accepted as Melosira granulata f. angustissima Otto Müller, 1899
Aulacoseira granulata var. granulata accepted as Aulacoseira granulata (Ehrenberg) Simonsen, 1979
Aulacoseira granulata var. jonensis (Grunow) Simonsen, 1979 accepted as Melosira granulata var. jonensis Grunow in Van Heurck, 1882
Aulacoseira granulata var. valida (Hustedt) Simonsen, 1979
Aulacoseira gusseviae Genkal & Korneva in Korneva & Genkal, 1996 (uncertain > unassessed )
Aulacoseira hachiyaensis H.Tanaka, 2008 † (uncertain > unassessed )
Aulacoseira haruoi (Okuno) Mohan & Stone, 2016 †
Aulacoseira helianthus Mohan & Stone, 2016 †
Aulacoseira herzogii (Lemmermann) Simonsen, 1979
Aulacoseira hibschii (Reichelt) Houk †
Aulacoseira houki Tanaka, H. & T. Nagumo, 2011 †
Aulacoseira humilis (Cleve-Euler) Genkal & Trifonova in Trifonova & Genkal, 2001
Aulacoseira ikapoensis (Otto Müller) Simonsen, 1979 accepted as Melosira ikapoensis var. ikapoensis Otto Müller, 1904
Aulacoseira ikapoensis var. minor Czarnecki & Reinke, 1982 (uncertain > unassessed )
Aulacoseira ikapoensis var. procera (Otto Müller) Simonsen, 1979 accepted as Melosira ikapoensis var. procera Otto Müller, 1904
Aulacoseira imparis Siver Kling & Hamilton
Aulacoseira inordinata (Lohman & Andrews) Simonsen, 1979 accepted as Melosira inordinata Lohman & Andrews, 1968
Aulacoseira interrupta (Lohman & Andrews) Simonsen, 1979 accepted as Melosira interrupta Lohman & Andrews, 1968
Aulacoseira islandica (O.Müller) Simonsen, 1979
Aulacoseira islandica f. curvata Valeva & Temniskova-Topalova, 1993 (uncertain > unassessed )
Aulacoseira islandica subsp. helvetica (O.F.Müller) Simonsen, 1979
Aulacoseira islandica subsp. islandica (O.Müller) Simonsen, 1979 accepted as Aulacoseira islandica (O.Müller) Simonsen, 1979
Aulacoseira italica (Ehrenberg) Simonsen, 1979
Aulacoseira italica f. curvata (Pantocsek) Hustedt accepted as Melosira crenulata var. curvata Pantocsek, 1902
Aulacoseira italica subsp. italica (Ehrenberg) Simonsen, 1979 accepted as Aulacoseira italica (Ehrenberg) Simonsen, 1979
Aulacoseira italica var. bacilligera (Otto Müller) Gasse, 1986 accepted as Melosira italica f. bacilligera Otto Müller, 1904
Aulacoseira italica var. italica accepted as Aulacoseira italica (Ehrenberg) Simonsen, 1979
Aulacoseira italica var. semilaevis (Grunow) Valeva & Temniskova-Topalova, 1993 accepted as Melosira semilaevis Grunow in Van Heurck, 1882
Aulacoseira italica var. subarctica O.Muller accepted as Melosira italica Otto Müller, 1906
Aulacoseira italica var. tenuissima (Grunow) Simonsen, 1979 accepted as Melosira tenuissima Grunow, 1882
Aulacoseira italica var. valida (Grunow) Simonsen, 1979 accepted as Melosira italica var. valida Grunow, 1881
Aulacoseira iwakiensis Tanaka & Nagumo †
Aulacoseira jeremiae (Grunow) V. Houk, R. Klee & U. Passauer, 2007 accepted as Melosira granulata var. jeremiae Grunow in Van Heurck, 1882
Aulacoseira jewsonii Mohan & Stone, 2016 †
Aulacoseira jouseana (Moiseeva) Moiseeva, 1986 † accepted as Alveolophora jouseana (A.I.Moiseeva) A.I.Moiseeva, 1990 †
Aulacoseira karelica (Mölder) Simonsen, 1979 accepted as Melosira karelica Mölder, 1951
Aulacoseira kondeensis (Otto Müller) Simonsen, 1979 accepted as Melosira kondeensis Otto Müller, 1904
Aulacoseira konstantinovii Glushchenko, Genkal & Kulikovskiy, 2016
Aulacoseira krammeri R.K. Edgar, J.P. Kociolek & S.M. Edgar, 2004 †
Aulacoseira kruegeriana E. Morales, S.F. Rivera & Houk, 2015