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Gavelinella dayi(White, 1928) type specimen holotype Cretaceous Mexico and Middle America |
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Gavelinella dayi(White, 1928) type specimen holotype Cretaceous Mexico and Middle America |
Gavelinella dayi(White, 1928) type specimen holotype Cretaceous Mexico and Middle America | | | |
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Gavelinella vesca Bykova, 1939 identified by scientist Cretaceous Southern Siberian Mountains |