Traits taxon details
original description
(of ) Credner, H. (1864). De Pteroceras-Schichten (Apporais-Schichten) der Umbebung von Hannover. . Zeitschrift der Deutsche geologischen Gesellschaft, 16: 196-248, pl. 9-11, available online at https://biodiversitylibrary.org/page/43812339 page(s): 223, pl. 10 fig. 8. [details]
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