Classification of the superfamily Eucyrtidiacea
Superfm. †Eucyrtidiacea Ehrenberg 1847
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Fm. †Bekomidae De Wever et al. 2001
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G. †Bekoma Riedel and Sanfilippo 1971
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†Bekoma bidartensis Riedel and Sanfilippo 1971
†Bekoma campechensis Foreman 1973
G. †Bekomiforma Sanfilippo and Riedel 1974
G. †Orbula Foreman 1973
Fm. Eucyrtidiidae Ehrenberg 1847
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G. Artocapsa Haeckel 1881
G. Artophormis Haeckel 1881
G. Clathrocycloma Haeckel 1887
G. Cymaetron Caulet 1991
G. Cyrtocapsa Haeckel 1881
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†Cyrtocapsa campi Campbell and Clark 1944
†Cyrtocapsa crescenda Kiessling 1995
†Cyrtocapsa indonesiensis Tan Sin Hok 1927
†Cyrtocapsa mastoidea Yao 1979
†Cyrtocapsa tricornis Jud 1994
†Cyrtocapsa tripes Yang 1993
G. Eucyrtidium Ehrenberg 1847
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Eucyrtidium acuminatum Ehrenberg 1844
†Eucyrtidium matsumotoi Taketani 1982
Eucyrtidium trachelius Ehrenberg 1861
Invalid names: Eucyrtis Haeckel 1882 [objective synonym]
G. †Guexella Baumgartner 1984
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†Guexella clava O'Dogherty et al. 2006
†Guexella mangoforata O'Dogherty et al. 2006
†Guexella nudata Kocher 1981
G. †Lantus Yeh 1987
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†Lantus intermedius Gorican et al. 2006
†Lantus obesus Yeh 1987
†Lantus praeobesus Gorican et al. 2006
†Lantus sixi Yeh 1987
†Lantus sutnal O'Dogherty and Gawlick 2008
G. Milax Blome 1984
G. Phalangites O'Dogherty 1994
G. Phormocyrtis Haeckel 1887
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†Phormocyrtis cubense Riedel and Sanfilippo 1971
†Phormocyrtis striata Brandt in Wetzel 1935
†Phormocyrtis turgida Krasheninnikov 1960
†Phormocyrtis vasculum O'Conner 1994
G. †Pseudoeucyrtis Pessagno 1977
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†Pseudoeucyrtis angusta Carter et al. 1998
†Pseudoeucyrtis cylindrata Hori 1999
†Pseudoeucyrtis fullerensis Carter et al. 1998
†Pseudoeucyrtis levis Hori 1999
†Pseudoeucyrtis paskentaensis Pessagno 1977
†Pseudoeucyrtis reticularis Matsuoka and Yao 1985
†Pseudoeucyrtis safraensis Gorican et al. 2006
Invalid names: Protokatroma Carter et al. 1998 [synonym]
G. Solenotryma Foreman 1968
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†Solenotryma dacryodes Foreman 1968
†Solenotryma ichikawai Matsuoka and Yao 1985
†Solenotryma japonica Taketani 1982
G. Stichocapsa Haeckel 1881
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†Stichocapsa biconica Matsuoka 1991
†Stichocapsa convexa Yao 1979
†Stichocapsa japonica Yao 1979
†Stichocapsa naradaniensis Matsuoka 1984
†Stichocapsa pilula Rüst 1885
†Stichocapsa praepulchella Hori 1999
†Stichocapsa pseudoconvexa Kemkin and Taketani 2004
†Stichocapsa robusta Matsuoka 1984
†Stichocapsa singularis Tan Sin Hok 1927
†Stichocapsa yamizoensis Hori 1999
Invalid names: Stichocapsa anguillula Rüst 1892 [nomen dubium], Stichocapsa biceps Rüst 1892 [nomen dubium], Stichocapsa bukkiana Rüst 1892 [nomen dubium], Stichocapsa citriformis Rüst 1892 [nomen dubium], Stichocapsa ellipsoides Rüst 1892 [nomen dubium], Stichocapsa elpenor Rüst 1892 [nomen dubium], Stichocapsa gravida Rüst 1892 [nomen dubium], Stichocapsa pupa Rüst 1892 [nomen dubium], Stichocapsa taenia Rüst 1892 [nomen dubium]
G. Stichocorys Haeckel 1881
G. Stichomitra Cayeux 1897
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†Stichomitra bertrandi Cayeux 1897
†Stichomitra carnegiense Campbell and Clark 1944
†Stichomitra communis Squinabol 1903
†Stichomitra doliolum Aita 1986
†Stichomitra foraminosa Taketani 1982
†Stichomitra pseudacerra Tan Sin Hok 1927
†Stichomitra stecki O'Dogherty et al. 2006
†Stichomitra tairai Aita 1987
†Stichomitra takanoensis Aita 1987
†Stichomitra triassica Dumitrica et al. 1980
Fm. Lophocyrtiidae De Wever et al. 2001
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G. †Aphetocyrtis Sanfilippo and Caulet 1998
G. Apoplanius Sanfilippo and Caulet 1998
G. Clinorhabdus Sanfilippo and Caulet 1998
G. Cyclampterium Haeckel 1887
G. Lophocyrtis Haeckel 1887
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†Lophocyrtis biaurita Ehrenberg 1873
Lophocyrtis stephanophorum Ehrenberg 1874
G. Paralampterium Sanfilippo 1990
G. Sciadiopeplus Sanfilippo 1990
Fm. †Obeliscoitidae O'Dogherty 1994
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G. †Birkenmajeria Wids and De Wever 1993
G. †Obeliscoites O'Dogherty 1994
G. †Olanda Hull 1997
Fm. †Pseudodictyomitridae Pessagno 1977
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G. †Corum Blome 1984
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†Corum candidum Yeh 1989
†Corum fusiformis Tekin 1999
†Corum kraineri Tekin 1999
†Corum parvum Yeh 1989
†Corum sugozuensis Tekin 1999
G. †Kozuricyrtium Tekin 1999
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†Kozuricyrtium carinatus Tekin 1999
†Kozuricyrtium pulchra Tekin 1999
G. †Latium Blome 1984
G. †Loopus Yang 1993
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†Loopus primitivus Matsuoka and Yao 1985
Invalid names: Candissa Hull 1997 [synonym]
G. †Pseudodictyomitra Pessagno 1977
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†Pseudodictyomitra carpatica Lozyniak 1969
†Pseudodictyomitra leptoconica Foreman 1973
†Pseudodictyomitra nakasekoi Taketani 1982
†Pseudodictyomitra nuda Schaaf 1981
†Pseudodictyomitra pseudomacrocephala Squinabol 1903
Invalid names: Shana Wu and Pessago 1993 [synonym]
Fm. †Theocotylidae Petrushevskaya 1981
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G. †Axocorys Haeckel 1881
G. †Lamptonium Haeckel 1887
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†Lamptonium fabaeformis Krasheninnikov 1960
†Lamptonium pennatum Foreman 1973
†Lamptonium sanfilippoae Foreman 1973
G. †Pterocodon Ehrenberg 1847
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†Pterocodon ampla Brandt in Wetzel 1935
†Pterocodon anteclinata Foreman 1975
Pterocodon campana Ehrenberg 1847
†Pterocodon poculum Nishimura 1992
†Pterocodon tenellus Foreman 1973
G. †Theocotyle Riedel and Sanfilippo 1970
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Subg. †Theocotyle (Theocotylissa) Foreman 1973
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†Theocotylissa alpha Foreman 1973
†Theocotylissa auctor Foreman 1973
†Theocotylissa ficus Ehrenberg 1873
†Theocotyle cryptocephala Ehrenberg 1873
†Theocotyle nigriniae Riedel and Sanfilippo 1970
†Theocotyle venezuelensis Riedel and Sanfilippo 1970
G. †Thyrsocyrtis Ehrenberg 1847
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Subg. †Thyrsocyrtis (Pentalacorys) Haeckel 1882
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†Thyrsocyrtis (Pentalacorys) tensa Foreman 1973
†Thyrsocyrtis (Pentalacorys) triacantha Ehrenberg 1873
Subg. †Thyrsocyrtis (Thyrsocyrtis) Ehrenberg 1847
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†Thyrsocyrtis (Thyrsocyrtis) hirsuta Krasheninnikov 1960
†Thyrsocyrtis (Thyrsocyrtis) rhizodon Ehrenberg 1873
†Thyrsocyrtis (Thyrsocyrtis) robusta Riedel and Sanfilippo 1970
†Thyrsocyrtis (Thyrsocyrtis) tarsipes Foreman 1973
Fm. †Xitidae Pessagno 1977
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G. †Antexitus Yeh 2009
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†Antexitus inusitatus Yeh 2011
†Antexitus pessagnoi Yeh 2009
†Antexitus southforkensis Yeh 2009
†Antexitus yangi Yeh 2009
G. †Clavaxitus Dumitrica 1997
G. †Crolanium Pessagno 1977
G. †Foremanina Empson-Morin 1981
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†Foremanina schona Empson-Morin 1981
Invalid names: Tugurium O'Dogherty 1994 [synonym]
G. †Neorelumbra Kiessling 1995
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†Neorelumbra buwaydahensis Kiessling 1995
†Neorelumbra tippitae Kiessling 1995
G. †Praexitus Dumitrica 1997
G. †Pseudodictyomitrella Grill and Kozur 1986
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†Pseudodictyomitrella badouxi O'Dogherty et al. 2006
†Pseudodictyomitrella escheri O'Dogherty et al. 2006
†Pseudodictyomitrella renevieri O'Dogherty et al. 2006
G. †Pseudoxitus Wu and De Wever 1993
G. †Xitus Pessagno 1977
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†Xitus alievi Foreman 1973
†Xitus antelopensis Pessagno 1977
†Xitus asymbatos Foreman 1968
†Xitus gifuensis Mizutani 1981
†Xitus magnus Baumgartner 1995
†Xitus mosquensis Vishnevskaya and De Wever 1998
†Xitus pulcher Pessagno 1977
†Xitus reticulatus Hori 1999
†Xitus singularis Hull 1997
†Xitus spicularius Aliev 1961
†Xitus takayanagii Taketani 1982