Classification of Nützel and Senowbari-Daryan 1999

Cl. Gastropoda Cuvier 1795 [snail]
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Subor. †Neritaemorpha Koken 1897
Or. Archaeogastropoda Thiele 1925
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G. †Ampezzalina Bandel 1993
G. †Toxoconcha Kittl 1899
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†Toxoconcha microfurcata Nützel and Senowbari-Daryan 1999
Fm. †Lophospiridae Wenz 1938
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G. †Platyworthenia Chronic 1952
Fm. †Procerithiidae Cossmann 1905
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G. †Xystrella Cossmann 1906
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†Xystrella inaequelineata Nützel and Senowbari-Daryan 1999
Fm. †Spirostylidae Cossmann 1909
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G. †Euthystylus Cossmann 1895
Fm. †Protorculidae Bandel 1991
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G. †Anulifera Zapfe 1962
G. †Moerkeia Böhm 1895