IRMNG Taxon list
Abas wittii (Grunow) R. Ross & P.A. Sims, 1980
Acanthoceras azoricum (Meneghini) Kützing accepted as Ceramium azoricum Meneghini accepted as Ceramium echionotum J.G. Agardh, 1844
Acanthoceras echinophorum (Meneghini) Frauenfeld
Acanthoceras echionotum (J.G. Agardh) Kützing
Acanthoceras madeburgensis Hongimann, 1910
Acanthoceras magdeburgense Honigmann accepted as Acanthoceras zachariasii (Brun) Simonsen
Acanthoceras oxyacanthum Kützing
Acanthoceras shuttleworthianum Kützing, 1842 accepted as Ceramium shuttleworthianum (Kützing) Rabenhorst, 1847
Acanthoceras transcurrens Kützing accepted as Ceramium echionotum J.G. Agardh, 1844
Acanthoceras zachariasii (Brun) Simonsen
Acanthodiscus antarcticus Hajós †
Acanthodiscus clypeolus (Brun) Van Heurck †
Acanthodiscus convexus M. Hajós & H. Stradner †
Acanthodiscus immaculatus (Hanna) V.A. Nikolaev & J.A. Barron †
Acanthodiscus ornatus Hajós †
Acanthodiscus paterus (J.A. Long, D.P. Fuge & J. Smith) V.A. Nikolaev & E. Fourtanier †
Acanthodiscus rugosus Pantocsek †
Acanthodiscus schmidtii Jousé †
Acanthodiscus vulcaniformis Jousé †
Achnantella brevipes (Agardh) Gaillon, 1833 accepted as Achnanthes brevipes C. Agardh, 1824
Achnantheiopsis apiculata (R.M. Patrick) H. Lange-Bertalot, 1997 accepted as Planothidium apiculatum (R.M. Patrick) H. Lange-Bertalot, 1999
Achnantheiopsis aueri (Krasske) H. Lange-Bertalot, 1997 accepted as
Achnantheiopsis biporoma (M.H. Hohn & Hellerman) H. Lange-Bertalot, 1997 accepted as Planothidium biporomum (M.H. Hohn & Hellerman) H. Lange-Bertalot, 1999
Achnantheiopsis borneolanceolata H. Lange-Bertalot, 1997 accepted as Planothidium borneolanceolatum (H. Lange-Bertalot) H. Lange-Bertalot
Achnantheiopsis chilensis (Hustedt) H. Lange-Bertalot, 1997 accepted as Planothidium chilense (Hustedt) H. Lange-Bertalot
Achnantheiopsis daui (Foged) H. Lange-Bertalot, 1997 accepted as Planothidium daui (Foged) H. Lange-Bertalot
Achnantheiopsis delicatula (Kützing) H. Lange-Bertalot, 1997
Achnantheiopsis distincta (Messikommer) H. Lange-Bertalot, 1997
Achnantheiopsis dubia (Grunow) H. Lange-Bertalot, 1997 accepted as Achnanthes lanceolata (Brébisson ex Kützing) Grunow, 1880
Achnantheiopsis engelbrechtii (Cholnoky) H. Lange-Bertalot, 1997 accepted as Achnanthes delicatula (Kützing) Grunow, 1880
Achnantheiopsis fonticolanceolata (H. Lange-Bertalot & Schimanski) H. Lange-Bertalot, 1997 accepted as Planothidium fonticolanceolatum (H. Lange-Bertalot & Schimanski) H. Lange-Bertalot
Achnantheiopsis fragilarioides (J.B. Petersen) H. Lange-Bertalot, 1997
Achnantheiopsis frequentissima (H. Lange-Bertalot) H. Lange-Bertalot, 1997
Achnantheiopsis grana (M.H. Hohn & Hellerman) H. Lange-Bertalot, 1997 accepted as Planothidium granum (M.H. Hohn & Hellerman) H. Lange-Bertalot
Achnantheiopsis hauckiana (Grunow) H. Lange-Bertalot, 1997 accepted as Achnanthes delicatula (Kützing) Grunow, 1880
Achnantheiopsis haynaldii (Schaarschmidt) H. Lange-Bertalot, 1997 accepted as Planothidium haynaldii (Schaarschmidt em.A. Cleve) E.Y. Haworth & M.G. Kelly, 1998
Achnantheiopsis heteromorpha (Grunow) H. Lange-Bertalot accepted as Planothidium heteromorphum (Grunow) H. Lange-Bertalot
Achnantheiopsis holstii (Cleve) H. Lange-Bertalot, 1997 accepted as Planothidium holstii (Cleve) H. Lange-Bertalot
Achnantheiopsis joursacense (Hérib.) H. Lange-Bertalot, 1997 accepted as Planothidium joursacense (Hérib.) H. Lange-Bertalot
Achnantheiopsis lanceolata (Brébisson ex Kützing) H. Lange-Bertalot, 1997
Achnantheiopsis lanceolatoides (Sovereign) H. Lange-Bertalot, 1997 accepted as Planothidium lanceolatoides (Sovereign) H. Lange-Bertalot, 1999
Achnantheiopsis linkei (Hustedt) H. Lange-Bertalot, 1997 accepted as Planothidium linkei (Hustedt) H. Lange-Bertalot
Achnantheiopsis magnifica (Hustedt) H. Lange-Bertalot accepted as Planothidium magnificum (Hustedt) H. Lange-Bertalot
Achnantheiopsis marina (Hustedt) H. Lange-Bertalot, 1997 accepted as Planothidium marinum (Hustedt) H. Lange-Bertalot
Achnantheiopsis minutissima (Krasske) H. Lange-Bertalot, 1997 accepted as Planothidium minutissimum (Krasske) H. Lange-Bertalot
Achnantheiopsis miota (J.R. Carter) H. Lange-Bertalot, 1997 accepted as Planothidium miotum (J.R. Carter) H. Lange-Bertalot
Achnantheiopsis oestrupii (Cleve-Euler) H. Lange-Bertalot, 1997 accepted as Planothidium oestrupii (A. Cleve) Round & L. Bukhtiyarova, 1996
Achnantheiopsis peragalli (Brun & Héribaud-Joseph) H. Lange-Bertalot, 1997
Achnantheiopsis pericava (J.R. Carter) H. Lange-Bertalot accepted as Planothidium pericavum (J.R. Carter) H. Lange-Bertalot
Achnantheiopsis pseudotanensis (Cleve-Euler) H. Lange-Bertalot, 1997 accepted as Planothidium pseudotanense (Cleve-Euler) H. Lange-Bertalot
Achnantheiopsis pungens (Cleve-Euler) H. Lange-Bertalot accepted as Planothidium pungens (Cleve-Euler) H. Lange-Bertalot
Achnantheiopsis robusta (Hustedt) H. Lange-Bertalot accepted as Planothidium robustum (Hustedt) H. Lange-Bertalot
Achnantheiopsis robustior H. Lange-Bertalot, 1997 accepted as Planothidium robustius H. Lange-Bertalot, 1999
Achnantheiopsis rostrata (Østrup) H. Lange-Bertalot, 1997 accepted as Planothidium rostratum (Østrup) Round & L. Bukhtiyarova, 1996
Achnantheiopsis salvadoriana (Hustedt) H. Lange-Bertalot, 1997 accepted as Planothidium salvadorianum (Hustedt) H. Lange-Bertalot, 1999
Achnantheiopsis septentrionalis (Østrup) H. Lange-Bertalot, 1997 accepted as Planothidium septentrionale (Østrup) F.E. Round & L. Bukhtiyarova
Achnanthepyla temperei (M. Peragallo) M. Peragallo, 1921 accepted as Achnanthes temperei M. Peragallo, 1908
Achnanthes aapajaervensis Cleve-Euler
Achnanthes abundans Manguin, 1954
Achnanthes acares Hohn & Hellerman
Achnanthes acidoclinata H. Lange-Bertalot, 1996 accepted as Psammothidium acidoclinatum (H. Lange-Bertalot) H. Lange-Bertalot
Achnanthes acus Simonsen
Achnanthes acuta Frenguelli
Achnanthes adamantiformis (R. Archibald) R. Archibald
Achnanthes adamsii Cholnoky
Achnanthes adnata Bory de Saint-Vincent, 1822
Achnanthes affinis Grunow, 1880 accepted as Achnanthes minutissima Kützing, 1833
Achnanthes africana Woodhead & Tweed
Achnanthes agglutinata Grunow
Achnanthes alaskana Patrick & Freese
Achnanthes alpestris (Brun) H. Lange-Bertalot & Metzeltin accepted as Eucocconeis alpestris (Brun) H. Lange-Bertalot
Achnanthes altaica (Poretzky) A. Cleve-Euler, 1953
Achnanthes alteragracillima H. Lange-Bertalot, 1993 accepted as Achnanthidium minutissimum (Kützing) Czarnecki, 1994
Achnanthes ambigua Zimmermann
Achnanthes americana Cleve, 1894
Achnanthes amoena Hustedt, 1952
Achnanthes amphicephala Hustedt, 1939
Achnanthes anceps Cleve-Euler
Achnanthes andicola (Cleve) Hustedt, 1911 accepted as Achnanthes hungarica (Grunow) Grunow, 1880
Achnanthes angustata Greville, 1859
Achnanthes angustissima Jasnitsky
Achnanthes antarctica M. Peragallo
Achnanthes antique Lauby
Achnanthes aperta J.R. Carter, 1981 accepted as Achnanthes oestrupii (A. Cleve-Euler) Hustedt, 1930
Achnanthes archibaldiana H. Lange-Bertalot, 1989 accepted as Achnanthidium archibaldianum (H. Lange-Bertalot) H. Lange-Bertalot, 1999
Achnanthes arctica (Cleve) Cleve-Euler
Achnanthes arcuata (Lyngbye) Kützing
Achnanthes arcus Hustedt, 1989
Achnanthes arenaria Amossé
Achnanthes arenicola Bailey
Achnanthes aretasii E. Manguin
Achnanthes arstasii Manguin
Achnanthes astridii Van Landingham
Achnanthes asymbasia Hohn
Achnanthes asymetrice Patrick
Achnanthes atacamae Hustedt
Achnanthes atalanta J.R. Carter
Achnanthes athenais Pantocsek
Achnanthes atomus Hustedt, 1937
Achnanthes auberti Héribaud, 1920 accepted as Achnanthes lanceolata (Brébisson ex Kützing) Grunow, 1880