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Fossil collection records
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Classification of Compton 1944
G. †
Amaurellina
Fischer 1885
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Amaurellina martinezensis
Dickerson 1914
G. †
Serratocerithium
Vignal 1897
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Serratocerithium usanium
Compton 1944
G.
Brachidontes
Swainson 1840
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Brachidontes lawsoni
Nelson 1925