On Brancoceras Steinmann, 1881 (Brancoceratidae) and Pseudobrancoceras gen. nov., (type species Ammonites versicostatus Michelin, 1838 : Lyelliceratinae) from the Albian (Cretaceous) of the western Paris Basin and Provence, France
A re-examination of the type material of Ammonites senequieri D'ORBIGNY, 1841, the type species of Brancoceras STEINMANN, 1881, shows D'ORBIGNY'S original figures to be a chimaera, based on specimens of two species, while the other specimens in his collection belong to several other s...
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| Format: | Journal article |
| Language: | English |
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2004
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