Pseudosirenites

Pseudosirenites
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Order: Ceratitida
Family: Trachyceratidae
Genus: Pseudosirenites
Arthaber, 1911

Pseudosirenites is a genus of Upper Triassic ammonites belonging to the ceratitid family Trachyceratidae, like Sirenites, but with a narrow outer rim (venter) that has a nodose keel on either side.

References

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