Traits Taxon list
Abacella cornuta Shuysky, 1973 †
Abacella delicatula J.H.Johnson, 1964 †
Abacella dentata Shuysky, 1973 †
Abacella pertusa Maslov, 1956 †
Abacella pustulata Shuysky, 1973 †
Abacella stellata Shuysky, 1991 †
Acanthococcus anglicus A.W.Bennett, 1888 accepted as Glochiococcus anglicus (A.W.Bennett) De Toni, 1888
Acanthosphaera zachariasii Lemmermann, 1899
Acetabularia acetabulum (Linnaeus) P.C. Silva, 1952
Acetabularia caliculus J.V.Lamouroux, 1824
Acetabularia chiavonica Squinabol, 1902 †
Acetabularia crenulata J.V.Lamouroux, 1816
Acetabularia crenulata var. monodisca Børgesen, 1936
Acetabularia dentata Solms-Laubach, 1895
Acetabularia farlowii Solms-Laubach, 1895
Acetabularia haemmerlingii H.G.Schweiger & Berger, 1975
Acetabularia jalakanyakae Sani, Madhu, R.K.Kohli, K.Gupta & Bast, 2021
Acetabularia kilneri J.Agardh, 1887
Acetabularia major G.Martens, 1866
Acetabularia moldavica Barattolo, Ionesi & Ţibuleac, 2019 †
Acetabularia peniculus (R.Brown ex Turner) Solms-Laubach, 1895
Acetabularia ryukyuensis Okamura & Yamada, 1932
Acetabularia ryukyuensis var. philippinensis (Gilbert) Valet, 1943 accepted as Acetabularia ryukyuensis Okamura & Yamada, 1932
Acetabularia schenckii Möbius, 1889
Acetabularia subg. Acetabularia acetabulum (Linnaeus) P.C.Silva, 1952 represented as Acetabularia acetabulum (Linnaeus) P.C. Silva, 1952
Acetabularia subg. Acicularia caliculus J.V. Lamouroux, 1824 represented as Acetabularia caliculus J.V.Lamouroux, 1824
Acetabularia subg. Acicularia crenulata J.V. Lamouroux, 1816
Acetabularia subg. Acicularia crenulata var. monodisca Børgesen, 1936
Acetabularia subg. Acicularia dentata Solms-Laubach, 1895
Acetabularia subg. Acicularia farlowii Solms-Laubach, 1895
Acetabularia subg. Acicularia kilneri J. Agardh represented as Acetabularia kilneri J.Agardh, 1887
Acetabularia subg. Acicularia major G. Martens represented as Acetabularia major G.Martens, 1866
Acetabularia subg. Acicularia ryukyuensis Okamura & Yamada, 1932 represented as Acetabularia ryukyuensis Okamura & Yamada, 1932
Acetabularia subg. Acicularia ryukyuensis var. philippinensis (Gilbert) Valet, 1943 represented as Acetabularia ryukyuensis var. philippinensis (Gilbert) Valet, 1943 accepted as Acetabularia ryukyuensis Okamura & Yamada, 1932
Acetabularia subg. Acicularia schenckii K. Möbius, 1889
Acetabularia toxasii Troño, Santiago & Ganzon-Fortes, 1978
Achoma brachiatum Novis & Visnovsky, 2012
Acicularia alaica Maslov, 1956 †
Acicularia albrightii Johnson & Kaska
Acicularia americana Konishi & Epis
Acicularia andrusovii Livental, 1946 †
Acicularia antiqua Pia, 1936 †
Acicularia archiacii L.Morellet & J.Morellet, 1922 †
Acicularia azerbaidganica Livental, 1946 †
Acicularia clapei Jaffrezo
Acicularia clavata L.Morellet & J.Morellet, 1922 †
Acicularia cornigera L.Morellet & J.Morellet, 1922 †
Acicularia dubossariensis Maslov, 1961 †
Acicularia dubossariensis var. minima Maslov, 1961 †
Acicularia dyumatsenae Pia
Acicularia endoi Praturlon, 1964 †
Acicularia eocaenica Munier-Chalmas ex L.Morellet & J.Morellet, 1922 †
Acicularia ferganensis Maslov, 1956 †
Acicularia ferganensis var. turquestanica Maslov, 1956 †
Acicularia hebertii L.Morellet & J.Morellet, 1922 †
Acicularia indica Varma
Acicularia intermedia Dragastan, 1967 †
Acicularia jurassica J.H.Johnson
Acicularia mediopora Munier-Chalmas
Acicularia michelinii Munier-Chalmas ex L.Morellet & J.Morellet, 1922 †
Acicularia micropora Munier-Chalmas ex L.Morellet & J.Morellet, 1922 †
Acicularia munieri L.Morellet & J.Morellet, 1913 †
Acicularia parvula Munier-Chalmas ex L.Morellet & J.Morellet, 1922 †
Acicularia pavantina d'Archiac, 1846 †
Acicularia transylvana Bányai & Morellet
Acicularia valetii Segonzac, 1971 †
Acicularia weisswasserensis Schlagintweit & D.Sanders, 2010 †
Aciculella bacillum Pia, 1930 †
Aciculella ogilvie-gordoniae G.F.Elliott, 1971 †
Acrochasma deflexum Korshikov, 1953
Acroporella anceps Segonzac, 1976 †
Acroporella bacilliformis (Sokač) I.I.Bucur et al., 2012 †
Acroporella cairensis A.Mancinelli, 2006 †
Acroporella occidentalis Johnson & Kaska †
Acroporella prisca (Pia) Grgasović, 2022 †
Acroporella radoiciciae Praturlon, 1964 † accepted as Oligoporella radoiciciae (Praturlon) Raviv & J.W.Lorch, 1992 †
Acrosiphonia arcta (Dillwyn) Gain, 1912
Acrosiphonia arcta f. albescens (Kjellman) Perestenko, 1965
Acrosiphonia arcta f. binderi (Kjellman) Perestenko, 1965
Acrosiphonia coalita (Ruprecht) Scagel, Garbary, Golden & M.W.Hawkes, 1986
Acrosiphonia congregata (Agardh) Kjellman
Acrosiphonia duriuscula (Ruprecht) Yendo, 1916
Acrosiphonia effusa Kjellman, 1893
Acrosiphonia flabelliformis Jónsson
Acrosiphonia flaccida Kjellman
Acrosiphonia flagellata Kjellman, 1893
Acrosiphonia grandis Kjelmann, 1893
Acrosiphonia hemisphaerica Kjellman, 1893
Acrosiphonia heterocladia (Sakai) K.L.Vinogradova, 1979
Acrosiphonia incurva Kjellman, 1893
Acrosiphonia incurva f. crassa Perestenko, 1965
Acrosiphonia incurva f. parva Perestenko, 1965
Acrosiphonia minima (Fosl.) Kjellman
Acrosiphonia orientalis (J.Agardh) P.C.Silva, 1996
Acrosiphonia penicilliformis (Foslie) Kjellman, 1893
Acrosiphonia saxatilis (Ruprecht) K.L.Vinogradova, 1979
Acrosiphonia saxatilis var. tenuissima (Ruprecht) K.L.Vinogradova, 1979
Acrosiphonia setacea Kjellman
Acrosiphonia sonderi (Kützing) Kornmann, 1962
Acrosiphonia spinescens (Kützing) Kjellman, 1893