Classification of Nützel and Ketwetsuriya 2016

Cl. Gastropoda Cuvier 1795 [snail]
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Subcl. †Heterobranchia Gray 1840
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Superfm. †Streptacidoidea Knight 1931
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Fm. Streptacididae Knight 1931
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G. †Streptacis Meek 1871
Subcl. Neritimorpha Golikov and Starobogatov 1975
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Or. †Cycloneritimorpha Bandel and Frýda 1999
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Superfm. †Naticopsoidea Meek and Worthen 1866
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Fm. †Naticopsidae Meek and Worthen 1866
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G. †Naticopsis M'Coy 1844
Fm. †Trachyspiridae Nützel et al. 2007
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G. †Trachydomia Meek and Worthen 1866
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†Trachydomia takhliensis Nützel and Ketwetsuriya 2016
Fm. †Raphistomatidae Koken 1896
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Subfm. †Omospirinae Wenz 1938
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G. †Baylea de Koninck 1881
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†Baylea umbilicata Nützel and Ketwetsuriya 2016
Invalid names: Amphigastropoda Simroth 1906 [empty]
Superfm. †Euomphaloidea White 1877
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Fm. †Euomphalidae White 1877
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G. †Discotropis Yochelson 1956
G. †Euomphalus Sowerby 1814
Superor. †Caenogastropoda Cox 1959
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Superfm. †Orthonematoidea Nützel and Bandel 2000
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Fm. †Goniasmatidae Nützel and Bandel 2000
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Invalid names: Goniasmatinae Nützel and Bandel 2000 [empty]
Fm. †Orthonematidae Nützel and Bandel 2000
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G. †Orthonema Meek and Worthen 1862
Superfm. †Soleniscoidea Knight 1931
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Fm. †Meekospiridae Knight 1936
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G. †Cambodgia Mansuy 1914
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†Cambodgia acuminata Nützel and Ketwetsuriya 2016
G. †Ceraunocochlis Knight 1931
G. †Meekospira Ulrich and Scofield 1897
Fm. †Palaeostylidae Wenz 1938
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G. †Trepsipleura Kues 2002
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Fm. †Soleniscidae Knight 1931
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Subfm. †Soleniscinae Knight 1931
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G. †Cylindritopsis Gemmellaro 1889
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G. †Soleniscus Meek and Worthen 1860
G. †Strobeus de Koninck 1881
Superfm. †Zygopleuroidea Wenz 1938
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Fm. †Pseudozygopleuridae Knight 1930
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G. †Pseudozygopleura Knight 1930
Superor. Vetigastropoda Salvini-Plawen 1980
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Or. Pleurotomariida Cox and Knight 1960
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Superfm. †Eotomarioidea Wenz 1938
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Fm. †Eotomariidae Wenz 1938
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G. †Glabrocingulum Thomas 1940
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†Glabrocingulum magnum Nützel and Ketwetsuriya 2016
G. †Takfaia Nützel and Ketwetsuriya 2016
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†Takfaia kuesi Nützel and Ketwetsuriya 2016
Invalid names: Trochida Cox and Knight 1960 [empty]
Superfm. †Trochonematoidea von Zittel 1895
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Fm. †Trochonematidae von Zittel 1895
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G. †Amaurotoma Knight 1945
G. †Knightinella Licharev 1975
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†Knightinella ornata Nützel and Ketwetsuriya 2016