Actinomma boreale Cleve, 1899 (basis of record)
Actinomma delicatulum (Dogiel) in Dogiel & Reshetnyak, 1952 (basis of record)
Actinomma leptoderma (Jörgensen, 1900) accepted as Actinomma leptodermum (Jorgensen) Nigrini & Moore, 1979 (basis of record)
Actinomma leptoderma subsp. longispina Cortese & Bjorklund, 1998 (basis of record)
Actinomma sol Cleve, 1900 (basis of record)
Actinomma trinacria (Haeckel) Cortese & Bjorklund, 1998 (basis of record)
Botryocyrtis quinaria Ehrenberg, 1872 (basis of record)
Botryopyle setosa Cleve, 1899 accepted as Amphimelissa setosa (Cleve) Jørgensen, 1905 (source of synonymy)
Cenosphaera favosa Haeckel, 1887 (basis of record)
Cenosphaera reticulata Clark & Campbell, 1945 (basis of record)
Ceratospyris hyperborea Joergensen, 1905 (basis of record)
Challengeron channeri (Murray, 1885) (basis of record)
Cladoscenium limbatum Joergensen, 1905 (basis of record)
Corocalyptra craspedota Joergensen, 1900 accepted as Eucecryphalus craspedota (Joergensen) Petrushevskaya & Bjoerklund, 1974 (basis of record)
Cycladophora davisiana Ehrenberg, 1861 (basis of record)
Dictyoceras xiphephorum Joergensen, 1900 accepted as Lipmanella dictyoceras (Haeckel) Kling, 1973 (basis of record)
Dictyophimus histricosus Joergensen, 1905 (basis of record)
Dictyophimus killmari (Renz, 1974) (basis of record)
Echinomma leptodermum Joergensen, 1900 accepted as Actinomma leptodermum (Jorgensen) Nigrini & Moore, 1979 (basis of record)
Eucecryphalus histrocosus Hülsemann, 1963 accepted as Sethoconus tabulatus Haeckel, 1887 (basis of record)
Euchitonia triangulum Seguenza, 1880 accepted as Dictyocoryne truncatum (Ehrenberg) Nigrini & Moore, 1979 (basis of record)
Eucyrtidium annulatum (Popofsky, 1913) (basis of record)
Eucyrtidium anomalum (Haeckel) Haeckel, 1862 (basis of record)
Eucyrtidium calvertense Martin, 1904 (basis of record)
Eucyrtidium erythromystax Nigrini & Caulet, 1992 (basis of record)
Eucyrtidium hexastichum Haeckel, 1887 (basis of record)
Euphysetta lucani Borgert, 1892 (basis of record)
Euphysetta nathorstii Cleve, 1899 (basis of record)
Euscenium corynephorum Joergensen, 1900 (basis of record)
Heliodiscus echiniscus Haeckel, 1887 (basis of record)
Hexacontium arachnoidale Hollande, 1960 (basis of record)
Hexacontium gigantheum Cortese & Bjorklund, 1998 (basis of record)
Hexacontium melpomene (Haeckel) Van de Paverd, 1995 (basis of record)
Hexacontium pachydermum Joergensen, 1900 (basis of record)
Hexapyle dodecantha Haeckel, 1887 (basis of record)
Larcospira minor (Jörgensen, 1900) accepted as Lithelius minor Joergensen, 1900 (basis of record)
Lipmanella bombus Haeckel, 1887 (basis of record)
Lipmanella dictyoceras (Haeckel) Kling, 1973 (basis of record)
Lithamphora furcaspiculata Popofsky, 1908 accepted as Phormostichoartus furcaspiculata (Popofsky) Caulet, 1986 (basis of record)
Litharachnium (basis of record)
Litharachnium tentorium Haeckel, 1860 (basis of record)
Lithocampe platycephala (Ehrenberg) Haeckel, 1887 (basis of record)
Lithomelissa hystrix Joergensen, 1900 (basis of record)
Lithomelissa laticeps Joergensen, 1905 (basis of record)
Lithomelissa pentacantha (Popofsky) Petrushevskaya, 1971 (basis of record)
Lithomelissa setosa Joergensen, 1905 (basis of record)
Lithomitra altamiraensis Campbell & Clark, 1944 accepted as Siphocampe arachnea (Ehrenberg) Nigrini, 1977 (source of synonymy)
Lithomitra lineata Ehrenberg, 1839 (basis of record)
Lithostrobus cuspidatus Haeckel, 1887 (basis of record)
Lophophaena hispida (Ehrenberg) Petrushevskaya, 1971 (basis of record)
Lophophaena nadezdae Petrushevskaya, 1971 (basis of record)
Lophophaena variabilis (Popofsky) Petrushevskaya, 1971 (basis of record)
Lophophaena witjazii (Petrushevskaya) Van de Paverd, 1995 (basis of record)
Lophospyris pentagona subsp. hyperborea (Joergensen) Goll, 1969 accepted as Lophospyris pentagona (Ehrenberg) Petrushevskaya, 1971 (basis of record)
Medusetta arcifera Jörgensen, 1900 (basis of record)
Nassellaria (basis of record)
Peridium longispinum Joergensen, 1900 (basis of record)
Phormacantha hystrix (Joergensen) Joergensen, 1905 (basis of record)
Phormospyris stabilis subsp. capoi Goll, 1976 accepted as Phormospyris stabilis Goll, 1976 (basis of record)
Phormospyris tricostata Haeckel, 1887 (basis of record)
Phorticium pylonium Haeckel, 1887 (basis of record)
Plagiacantha arachnoides Claparède, 1856 (basis of record)
Plectacantha oikiskos Joergensen, 1905 (basis of record)
Plectacantha trichoides Jörgensen, 1905 (basis of record)
Protocystis Wallich, 1862 (basis of record)
Protocystis tridens Bjørklund, 1976 (basis of record)
Protocystis tridens (Haeckel, 1887) accepted as Protocystis tridens Bjørklund, 1976 (basis of record)
Protocystis xiphodon (Haeckel, 1887) (basis of record)
Pterocanium auritum Nigrini & Caulet, 1992 (basis of record)
Pterocanium elegans (Haeckel, 1887) (basis of record)
Pterocorys clausus (Popofsky) Petrushevskaya & Kozlova, 1972 (basis of record)
Rhizoplegma boreale Popofsky, 1908 (basis of record)
Siphocampe (basis of record)
Siphocampe arachnea (Ehrenberg) Nigrini, 1977 (basis of record)
Siphocampe lineata (Ehrenberg) Nigrini, 1977 (basis of record)
Siphonosphaera socialis Haeckel, 1887 (basis of record)
Spumellaria (basis of record)
Stichocorys seriata Joergensen, 1905 (basis of record)
Stylatractus cronos (Haeckel, 1887) (basis of record)
Stylatractus pluto (Haeckel, 1887) (basis of record)
Stylochlamydium venustum (Bailey) Haeckel, 1887 (basis of record)
Stylodictya Ehrenberg, 1847 emend. Kozlova, 1972 (basis of record)
Stylodictya aculeata Joergensen, 1905 (basis of record)
Stylodictya tenuispina Joergensen, 1905 (basis of record)
Thalassicollidae Haeckel, 1862 (basis of record)
Tholospyris baconiana subsp. baconiana Goll, 1972 (basis of record)
Tholospyris devexa Goll, 1969 (basis of record)
Tholospyris gephyristes Huelsemann, 1963 (basis of record)
Tholospyris rhombus Goll, 1972 (basis of record)

Arctic Ocean for Actinomma boreale Cleve, 1899 
Arctic Ocean for Actinomma leptoderma (Jörgensen, 1900) 
Arctic Ocean for Corocalyptra craspedota Joergensen, 1900 
Arctic Ocean for Cycladophora davisiana Ehrenberg, 1861 
Arctic Ocean for Euscenium corynephorum Joergensen, 1900 
Arctic Ocean for Larcospira minor (Jörgensen, 1900) 
Arctic Ocean for Lipmanella xiphephorum Joergensen, 1899 
Arctic Ocean for Lithocampe platycephala (Ehrenberg) Haeckel, 1887 
Arctic Ocean for Lithomelissa setosa Joergensen, 1905 
Arctic Ocean for Peridium longispinum Joergensen, 1900 
Arctic Ocean for Phormacantha hystrix (Joergensen) Joergensen, 1905 
Arctic Ocean for Phorticium pylonium Haeckel, 1887 
Arctic Ocean for Plagiacantha arachnoides Claparède, 1856 
Arctic Ocean for Plectacantha oikiskos Joergensen, 1905 
Arctic Ocean for Rhizoplegma boreale Popofsky, 1908 
Arctic Ocean for Spongotrochus glacialis Popofsky, 1908 
Arctic Ocean for Stylodictya aculeata Joergensen, 1905 
Arctic Ocean for Stylodictya validispina Joergensen, 1905 
Arctic Ocean for Styptosphaera spumacea Haeckel, 1887 
Arctic Ocean for Tholospyris gephyristes Huelsemann, 1963 
Gulf of California for Acanthodesmia vinculata Mueller, 1858 
Gulf of California for Actinomma antarcticum (Haeckel) Nigrini, 1967 
Gulf of California for Actinomma boreale Cleve, 1899 
Gulf of California for Actinomma delicatulum (Dogiel) in Dogiel & Reshetnyak, 1952 
Gulf of California for Actinomma leptoderma (Jörgensen, 1900) 
Gulf of California for Actinomma leptoderma subsp. longispina Cortese & Bjorklund, 1998 
Gulf of California for Actinomma medianum Nigrini, 1967 
Gulf of California for Actinomma sol Cleve, 1900 
Gulf of California for Amphirhopalum ypsilon Haeckel, 1887 
Gulf of California for Anomalacantha dentata Mast, 1910 
Gulf of California for Anthocyrtidium ophirense (Ehrenberg) Petrushevskaya, 1968 
Gulf of California for Anthocyrtidium zanguebaricum (Ehrenberg) Haeckel, 1887 
Gulf of California for Botryocyrtis quinaria Ehrenberg, 1872 
Gulf of California for Botryocyrtis scutum (Harting) Nigrini, 1967 
Gulf of California for Botryostrobus aquilonaris (Bailey) Johnson, 1974 
Gulf of California for Botryostrobus auritus (Ehrenberg, 1844) 
Gulf of California for Botryostrobus australis (Ehrenberg, 1844) 
Gulf of California for Carpocanarium papillosum (Ehrenberg, 1872) 
Gulf of California for Cycladophora davisiana Ehrenberg, 1861 
Gulf of California for Dictyophimus crisiae Ehrenberg, 1854 
Gulf of California for Dictyophimus histricosus Joergensen, 1905 
Gulf of California for Dictyophimus killmari (Renz, 1974) 
Gulf of California for Euchitonia elegans (Ehrenberg) Haeckel, 1887 
Gulf of California for Euchitonia furcata Ehrenberg, 1872 
Gulf of California for Euchitonia triangulum Seguenza, 1880 
Gulf of California for Eucyrtidium annulatum (Popofsky, 1913) 
Gulf of California for Eucyrtidium anomalum (Haeckel) Haeckel, 1862 
Gulf of California for Eucyrtidium erythromystax Nigrini & Caulet, 1992 
Gulf of California for Eucyrtidium hexagonatum Haeckel, 1887 
Gulf of California for Eucyrtidium hexastichum Haeckel, 1887 
Gulf of California for Heliodiscus asteriscus Haeckel, 1887 
Gulf of California for Heliodiscus echiniscus Haeckel, 1887 
Gulf of California for Hexacontium laevigatum Haeckel, 1887 
Gulf of California for Hexapyle dodecantha Haeckel, 1887 
Gulf of California for Hymeniastrum euclidis Haeckel, 1887 
Gulf of California for Lamprocyclas maritalis Haeckel, 1887 
Gulf of California for Lamprocyrtis nigriniae (Caulet) Kling, 1973 
Gulf of California for Larcopyle buetschlii Dreyer, 1889 
Gulf of California for Larcospira minor (Jörgensen, 1900) 
Gulf of California for Larcospira quadrangula Haeckel, 1887 
Gulf of California for Lipmanella bombus Haeckel, 1887 
Gulf of California for Liriospyris reticulate (Ehrenberg, 1872) 
Gulf of California for Litharachnium tentorium Haeckel, 1860 
Gulf of California for Lithomelissa laticeps Joergensen, 1905 
Gulf of California for Lithomelissa pentacantha (Popofsky) Petrushevskaya, 1971 
Gulf of California for Lithomelissa setosa Joergensen, 1905 
Gulf of California for Lithomelissa thoracites Haeckel, 1860 
Gulf of California for Lithostrobus hexagonalis Haeckel, 1887 
Gulf of California for Lophophaena hispida (Ehrenberg) Petrushevskaya, 1971 
Gulf of California for Lophophaena nadezdae Petrushevskaya, 1971 
Gulf of California for Lophophaena variabilis (Popofsky) Petrushevskaya, 1971 
Gulf of California for Lophophaena witjazii (Petrushevskaya) Van de Paverd, 1995 
Gulf of California for Lophospyris pentagona subsp. hyperborea (Joergensen) Goll, 1969 
Gulf of California for Lophospyris pentagona subsp. pentagona (Ehrenberg, 1872) 
Gulf of California for Lophospyris pentagona subsp. quadriforis (Haeckel, 1887) 
Gulf of California for Octopyle stenozona Haeckel, 1887 
Gulf of California for Peridium longispinum Joergensen, 1900 
Gulf of California for Peripyramis circumtexta Haeckel, 1887 
Gulf of California for Phormacantha hystrix (Joergensen) Joergensen, 1905 
Gulf of California for Phormospyris stabilis subsp. capoi Goll, 1976 
Gulf of California for Phormospyris stabilis subsp. scaphipes (Haeckel) emend. Goll, 1977 
Gulf of California for Phormospyris stabilis subsp. stabilis (Goll, 1968) 
Gulf of California for Phormospyris tricostata Haeckel, 1887 
Gulf of California for Phormostichoartus corbula (Harting) Nigrini, 1977 
Gulf of California for Phorticium pylonium Haeckel, 1887 
Gulf of California for Plectopyramis dodecomma Haeckel, 1887 
Gulf of California for Pterocanium auritum Nigrini & Caulet, 1992 
Gulf of California for Pterocanium elegans (Haeckel, 1887) 
Gulf of California for Pterocanium praetextum subsp. eucolpum Haeckel, 1887 
Gulf of California for Pterocanium praetextum subsp. praetextum (Ehrenberg, 1872) 
Gulf of California for Pterocanium trilobum (Haeckel, 1860) 
Gulf of California for Pterocorys clausus (Popofsky) Petrushevskaya & Kozlova, 1972 
Gulf of California for Pterocorys hertwigii (Haeckel) Petrushevskaya, 1971 
Gulf of California for Pterocorys minythorax (Nigrini) Nigrini & Moore, 1979 
Gulf of California for Siphocampe lineata (Ehrenberg) Nigrini, 1977 
Gulf of California for Siphonosphaera socialis Haeckel, 1887 
Gulf of California for Spongaster tetras Ehrenberg, 1860 
Gulf of California for Spongocore puella Haeckel, 1887 
Gulf of California for Spongopyle osculosa Dreyer, 1889 
Gulf of California for Spongotrochus glacialis Popofsky, 1908 

 Taxonomy

 for Euchitonia elegans (Ehrenberg) Haeckel, 1887

Should be considered as a group and synonym of E. furcata , as Euchitonia elegans/furcata group Boltovskoy, 1998. [details]

 Taxonomy

 for Euchitonia furcata Ehrenberg, 1872

Should be considered as a group and synonym of E. elegans , as Euchitonia elegans/furcata group Boltovskoy, 1998. [details]

 Taxonomy

 for Hexapyle dodecantha Haeckel, 1887

This species should be regarded instead as a species-group. [details]

 Taxonomy

 for Lamprocyclas maritalis Haeckel, 1887

This species should be regarded instead as a species-group. [details]

 Taxonomy

 for Larcopyle buetschlii Dreyer, 1889

This species should be regarded instead as a species-group. [details]

 Taxonomy

 for Phorticium pylonium Haeckel, 1887

This species should be regarded instead as a species-group. [details]

 Taxonomy

 for Tetrapyle octacantha Mueller, 1858

This species should be regarded instead as a species-group. [details]