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Traits source details
Conrad, T. A. (1840). Third annual report on the palaeontological department of the survey. New York State Geological Survey Annual Report. 4(1): 199-207.
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Conrad, T. A.
1840
Third annual report on the palaeontological department of the survey
New York State Geological Survey Annual Report
4(1): 199-207
Publication
Date action by
Platyceras Conrad, 1840 † (original description)
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