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Sphenoceramus
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Sphenoceramus Böhm, 1922
Source
Rank
genus
Names
1
species:4592707
Jahrb. preuss. geol. Landesanst. , 40 (2), Heft 1, 69.
Classification
Pterioida Newell, 1965
Sphenoceramus Böhm, 1922