Pseudosirenites
| Pseudosirenites | |
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| Genus: | Pseudosirenites Arthaber,1911
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Pseudosirenites is an Upper Triassic ammonite belonging to the ceratitid family Trachyceratidae, like Sirenites, but with a narrow outer rim (venter) that has a nodose keel on either side.
References
Arkell, et al., Mesozoic Ammonoidea, ' Treatise on Invertebrate Paleontology, Part L, Mollusca 4, Geological Society of America. 1957.