Classification of Nützel and Nakazawa 2012

G. †Bellerophon de Montfort 1808
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Bellerophon jonesianus de Koninck 1863
G. †Anomphalus Meek and Worthen 1866
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Anomphalus japonicus Nützel and Nakazawa 2012
G. †Cerithioides Haughton 1859
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Cerithioides angulatum Nützel and Nakazawa 2012
G. †Glyptospira Chronic 1952
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Glyptospira tricostata Erwin 1988
G. †Goniasma Tomlin 1930
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Goniasma fortecarinata Nützel and Nakazawa 2012
Goniasma nodifera Nützel and Nakazawa 2012
G. †Naticopsis M'Coy 1844
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Naticopsis fasciata Hayasaka 1943
Naticopsis minoensis Hayasaka 1943
Naticopsis tschernyschewi Yakowlew 1899
Naticopsis wakimizui Hayasaka 1943
G. †Platyzona Knight 1945
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Platyzona eulkaiensis Cowper Reed 1927
G. †Shwedagonia Batten 1956
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Shwedagonia collabra Batten 1972
G. †Stegocoelia Donald 1889
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Stegocoelia akasakaensis Nützel and Nakazawa 2012
G. †Trachydomia Meek and Worthen 1866
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Trachydomia nodosa Meek and Worthen 1860
G. †Trachyspira Gemmellaro 1889
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Trachyspira magna Hayasaka 1937
G. †Trypanocochlea Tomlin 1931
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Trypanocochlea parva Nützel and Nakazawa 2012
G. †Bulimorpha Whitfield 1882
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Bulimorpha melanioides Mansuy 1914
G. †Knightella Longstaff 1933
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Knightella hydrobiformis Nützel and Nakazawa 2012
G. †Palaeostylus Mansuy 1914
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Palaeostylus attenuatus Nützel and Nakazawa 2012
Palaeostylus dussaulti Mansuy 1914
Palaeostylus irregularis Nützel and Nakazawa 2012
Palaeostylus lateapicatus Nützel and Nakazawa 2012
Palaeostylus minutus Nützel and Nakazawa 2012
Palaeostylus pupoides Mansuy 1914
G. †Protorcula Kittl 1894
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Protorcula permiana Nützel and Nakazawa 2012
G. †Strobeus de Koninck 1881
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Strobeus dongluoensis Pan and Yu 1993
G. †Acteonina d'Orbigny 1850
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Acteonina koizumii Nützel and Nakazawa 2012
G. †Streptacis Meek 1871
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Streptacis orientalis Nützel and Nakazawa 2012
G. †Zhonghuaspira Pan and Erwin 2002
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Zhonghuaspira yokoyamai Hayasaka 1943
Superfm. Trochoidea Rafinesque 1815
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Fm. †Araeonematidae Nützel and Nakazawa 2012
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G. †Araeonema Knight 1933
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Araeonema panthalassica Nützel and Nakazawa 2012
G. †Rhabdotocochlis Knight 1933
G. †Yunnania Mansuy 1912
Fm. †Bohaispiridae Youlou 1973
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G. †Miromphalus Youluo 1978
Fm. Trochidae Rafinesque 1815 [top snail]
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G. †Coeloconulus Nützel and Nakazawa 2012
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Coeloconulus panae Nützel and Nakazawa 2012
G. †Medfrazyga Frýda and Blodgett 2004
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Medfrazyga convexa Nützel and Nakazawa 2012
Medfrazyga rectecostata Nützel and Nakazawa 2012
G. †Nanochilina Frýda 1998
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Nanochilina japonica Nützel and Nakazawa 2012
Fm. †Goniasmatidae Nützel and Bandel 2000
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G. †Akasakiella Nützel and Nakazawa 2012
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Akasakiella yabei Hayasaka 1943
G. †Cerithiozone Nützel and Nakazawa 2012
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Cerithiozone ornata Nützel and Nakazawa 2012
G. †Costataenia Nützel and Nakazawa 2012
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Costataenia hayasakai Nützel and Nakazawa 2012
Fm. †Propupaspiridae Nützel et al. 2002
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G. †Permocerithium Nützel and Nakazawa 2012
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Permocerithium nudum Nützel and Nakazawa 2012
Superfm. †Zygopleuroidea Wenz 1938
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G. †Plicacerithium Gerasimov 1992
G. †Heterosubulites Bandel 2002
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Heterosubulites fusiformis Nützel and Nakazawa 2012
Fm. †Orthonematidae Nützel and Bandel 2000
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G. †Yochelsonistylus Nützel and Nakazawa 2012
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Yochelsonistylus felixi Nützel and Nakazawa 2012
Yochelsonistylus seussae Nützel and Nakazawa 2012
G. †Anematina Knight 1933
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Anematina parva Nützel and Nakazawa 2012
G. †Vebericochlis Licharev 1967
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Vebericochlis mazaevi Nützel and Nakazawa 2012
Fm. †Neritariidae Wenz 1938
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G. †Asamiella Nützel and Nakazawa 2012
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Asamiella japonica Hayasaka 1943
G. †Trochonodus Nützel et al. 2003
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Trochonodus permianus Nützel and Nakazawa 2012