Classification of Yoo 1988

G. †Hyolithes d'Eichwald 1840
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G. Fissidentalium Fischer 1885
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G. †Onychochilus Lindström 1884
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G. †Euphemites Warthin 1930
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Euphemites labrosa Campbell and Engel 1963
G. †Sinuitina Knight 1945
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Sinuitina portulacoides Campbell and Engel 1963
G. †Aclisina de Koninck 1881
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Aclisina turgida Yoo 1988
G. †Borestus Thomas 1940
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Borestus costatus Yoo 1988
G. †Eucochlis Knight 1933
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Eucochlis australis Yoo 1988
G. †Glabrocingulum Thomas 1940
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G. †Hesperiella Holzapfel 1889
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G. †Hypergonia Donald 1892
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Hypergonia tenuis Yoo 1988
G. †Microdoma Meek and Worthen 1867
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Microdoma angulata Yoo 1988
G. †Naticopsis M'Coy 1844
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Naticopsis osbornei Yoo 1988
G. †Peruvispira Chronic 1949
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G. †Stegocoelia Donald 1889
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Stegocoelia nodosa Yoo 1988
G. †Cyclozyga Knight 1930
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G. †Loxonema Phillips 1841
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G. †Soleniscus Meek and Worthen 1860
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Soleniscus callosus Yoo 1988
G. †Donaldina Knight 1933
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Donaldina filosa Yoo 1988
Fm. †Murchisoniidae Koken 1896
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G. †Pseudoaclisina Yoo 1994
Fm. Laevidentaliidae Palmer 1974
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G. †Pipadentalium Yoo 1988
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G. †Plagioglypta Pilsbry 1898
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G. †Scissuradentalium Yoo 1988
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G. †Globozyga Thein and Nitecki 1974
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Globozyga decussata Yoo 1988
Subg. †Stegocoelia (Hypergonia) Donald 1892
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Subg. †Hemizyga (Hemizyga) Girty 1915
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