Traits Taxon list
Abas wittii (Grunow) R.Ross & P.A.Sims, 1980 †
Acanthoceras zachariasii (Brun) Simonsen, 1979
Acanthodiscus antarcticus Hajós, 1975 †
Acanthodiscus clypeolus (Brun) Van Heurck, 1896 †
Acanthodiscus convexus Hajós & Stradner in Hajós, 1975 †
Acanthodiscus danicus J.Fenner, 1994 †
Acanthodiscus immaculatus (Hanna) V.A.Nikolaev & J.A.Barron in Nikolaev et al., 2001 †
Acanthodiscus ornatus Hajós & Stradner in Hajós, 1975 †
Acanthodiscus paterus (J.A.Long, Fuge & J.Smith) V.A.Nikolajev & Fourt. †
Acanthodiscus rugosus Pant., 1892 †
Acanthodiscus schmidtii Jousé, 1951 †
Acanthodiscus vulcaniformis Jousé, 1951 †
Achnantheiopsis borneolanceolata Lange-Bert., 1997 accepted as
Achnanthepyla baccata Perag., 1921
Achnanthepyla bongrainii Perag., 1921 accepted as Achnanthes bongrainii (M. Peragallo) Mann, 1937 accepted as Achnanthepyla bongrainii var. bongrainii Perag., 1921
Achnanthepyla bongrainii var. bongrainii Perag., 1921 accepted as Achnanthepyla bongrainii Perag., 1921 accepted as Achnanthes bongrainii (M. Peragallo) Mann, 1937
Achnanthepyla gainii accepted as Achnanthepyla gainii var. gainii Perag., 1921 accepted as Achnanthes gainii (M. Peragallo) Mann, 1937
Achnanthepyla gainii var. gainii Perag., 1921 accepted as Achnanthes gainii (M. Peragallo) Mann, 1937
Achnanthepyla gainii var. ostrupii Perag., 1921
Achnanthepyla glabrata (Grunow) Perag., 1921
Achnanthepyla glabrata var. aucklandica (Grunow in Cleve & Grunow) Perag., 1921
Achnanthepyla glabrata var. glabrata (Grunow) Perag., 1921 accepted as Achnanthepyla glabrata (Grunow) Perag., 1921
Achnanthepyla mesogongyla (Grunow in Cleve & Grunow) Perag., 1921
Achnanthepyla minuta ‘(Grunow) M. Peragallo' VanLandingham, 1967 accepted as Achnanthepyla minutula (Grunow) Perag., 1921
Achnanthepyla minutula (Grunow) Perag., 1921
Achnanthepyla simplex Perag., 1921
Achnanthes aapajaervensis A.Cleve, 1934
Achnanthes acares M.H.Hohn & Hellerman, 1963
Achnanthes acus Simonsen ex F.Hinz et al., 2012
Achnanthes acuta Frenguelli, 1953
Achnanthes adamsii Cholnoky, 1964
Achnanthes adnata Bory, 1822
Achnanthes affinis Grunow, 1880 accepted as Achnanthidium affine (Grunow) Czarnecki, 1994 accepted as Achnanthes affinis var. affinis Grunow in Cleve & Grunow, 1880
Achnanthes affinis var. affinis Grunow in Cleve & Grunow, 1880 accepted as Achnanthes affinis Grunow, 1880 accepted as Achnanthidium affine (Grunow) Czarnecki, 1994
Achnanthes africana Woodhead & Tweed, 1958
Achnanthes agglutinata Grunow in Cleve & Grunow, 1880
Achnanthes alteragracillima Lange-Bert., 1993 accepted as Achnanthidium gracillimum (Meister) Lange-Bertalot, 2004 accepted as Microneis gracillima Meister, 1912
Achnanthes ambigua S.J.C.Zimmermann, 1918
Achnanthes americana Cleve, 1893
Achnanthes amoena Hust., 1952 accepted as Karayevia amoena (Hust.) Bukht., 2006
Achnanthes amphicephala Hust., 1939
Achnanthes anceps A.Cleve, 1934
Achnanthes angustata Grev., 1859 (uncertain > unassessed )
Achnanthes annulifera A.Cleve, 1953
Achnanthes antarctica Perag., 1921
Achnanthes antiqua Lauby, 1910 †
Achnanthes antique Lauby accepted as Achnanthes antiqua Lauby, 1910 †
Achnanthes aperta J.R.Carter, 1981 accepted as Skabitschewskia aperta (Carter) Kulikovskiy & Lange-Bertalot, 2015
Achnanthes apiculata (Greville, 1859)
Achnanthes araucaniana Freng., 1934 †
Achnanthes archibaldiana Lange-Bert., 1989 accepted as Rossithidium archibaldianum (Lange-Bertalot) L.N.Bukhtiyarova, 2008
Achnanthes arctica (Cleve) A.Cleve, 1915 accepted as Achnanthes brevipes var. arctica (P. T. Cleve) T. Ko-Bayashi, 1965 accepted as Achnanthidium arcticum Cleve, 1873
Achnanthes arcuata (Lyngb.) Kütz., 1833
Achnanthes arenaria Amossé, 1941
Achnanthes arenicola J.W.Bailey, 1851
Achnanthes arguta Hust.ex Simonsen, 1987
Achnanthes armillaris (O.F.Müller) Guiry, 2019
Achnanthes astridii VanLand., 1967
Achnanthes asymbasia M.H.Hohn, 1966
Achnanthes asymetrica R.M.Patrick, 1936
Achnanthes atacamae Hust., 1927
Achnanthes athenais Pant., 1902 †
Achnanthes athenais var. athenais Pant., 1902 accepted as Achnanthes athenais Pant., 1902 †
Achnanthes athenais var. minor Pant., 1902 †
Achnanthes atomus Hust., 1937 accepted as Achnanthidium atomus (Hustedt) Monnier, Lange-Bertalot & Ector in Monnier et al., 2004 accepted as Achnanthes atomus var. atomus Hust., 1937
Achnanthes atomus var. atomus Hust., 1937 accepted as Achnanthes atomus Hust., 1937 accepted as Achnanthidium atomus (Hustedt) Monnier, Lange-Bertalot & Ector in Monnier et al., 2004
Achnanthes aubertii Hérib., 1920 †
Achnanthes aueri Krasske, 1949 † accepted as Planothidium aueri (Krasske) H. Lange-Bertalot, 1999
Achnanthes auerii Krasske, 1949 † accepted as Achnanthes aueri Krasske, 1949 † accepted as Planothidium aueri (Krasske) H. Lange-Bertalot, 1999
Achnanthes australis Ehrenb., 1854
Achnanthes austriaca Hust., 1922 accepted as Eucocconeis austriaca (Hustedt) H. Lange-Bertalot apud H. Lange-Bertalot & S.I. Genkal in H. Lange-Bertalot (ed.), 1999 accepted as Achnanthes austriaca var. austriaca Hust., 1922
Achnanthes austriaca var. austriaca Hust., 1922 accepted as Achnanthes austriaca Hust., 1922 accepted as Eucocconeis austriaca (Hustedt) H. Lange-Bertalot apud H. Lange-Bertalot & S.I. Genkal in H. Lange-Bertalot (ed.), 1999
Achnanthes austriaca var. helvetica Hust., 1933 accepted as Psammothidium helveticum (Hustedt) L.N.Bukhtiyarova & Round, 1996
Achnanthes baccata (Leud.-Fortm.) Cleve, 1895
Achnanthes bacescui Bodeanu, 1976
Achnanthes bacillaris Ehrenberg, 1844
Achnanthes bacillum Perag. in Héribaud et al., 1920
Achnanthes baicalensis Skvortsov & Meyer, 1928 accepted as Planothidium baicalense (Skvortzow & K.I. Meyer) M.B. Edlund in M.B. Edlund, N. Soninkhishig, R.M. Williams & E.F. Stoermer, 2001
Achnanthes baicaliana Frenguelli, 1953
Achnanthes baicaliana var. baicaliana Freng., 1953 accepted as Achnanthes baicaliana Frenguelli, 1953
Achnanthes baicaliana var. notata Frenguelli, 1953
Achnanthes baldjicki (Brightw.) Grunow † accepted as Rhaphoneis baldjikii (Brightwell) Grunow, 1862 accepted as Odontidium baldjicki Brightwell, 1859
Achnanthes baldjicki sensu Pantocsek, 1892 †
Achnanthes baldjicki var. subquadrata Pant., 1892 †
Achnanthes baltalensis H.P.Gandhi ex Karthick, 2020 †
Achnanthes bavarica Ehrenb., 1853
Achnanthes bengalensis Grunow in Cleve & Grunow, 1880
Achnanthes bengalensis var. bengalensis Grunow in Cleve & Grunow, 1880 accepted as Achnanthes bengalensis Grunow in Cleve & Grunow, 1880
Achnanthes bengalensis var. subventricosa Grunow in Cleve & Grunow, 1880
Achnanthes bergianii A.Cleve, 1953
Achnanthes bergii A.Cleve, 1953
Achnanthes bernieri Manguin ex Kociolek & de Reviers, 1996
Achnanthes biasolettiana Grunow, 1880 accepted as Achnanthidium pyrenaicum (Hustedt) H.Kobayasi, 1997 accepted as Achnanthes pyrenaica var. pyrenaica Hustedt, 1939
Achnanthes biasolettiana var. biasolettiana Grunow accepted as Achnanthes biasolettiana Grunow, 1880 accepted as Achnanthidium pyrenaicum (Hustedt) H.Kobayasi, 1997 accepted as Achnanthes pyrenaica var. pyrenaica Hustedt, 1939
Achnanthes biasolettiana var. sublinearis Grunow ex Van Heurck (uncertain > unassessed )
Achnanthes bicapitellata Cleve-Euler, 1953 (uncertain > unassessed )
Achnanthes biceps Hustedt, 1959 (uncertain > unassessed )
Achnanthes biconfusa VanLandingham, 1967 accepted as Nupela biconfusa (VanLandingham) C.E.Wetzel & Ector, 2018
Achnanthes bigibba Heiden in Heiden & Kolbe, 1928 (uncertain > unassessed )
Achnanthes bijuga Turpin, 1828 (uncertain > unassessed )