Cephalopoda - Ceratitida - Trachyceratidae
Full reference: E. T. Tozer. 1994. Canadian Triassic Ammonoid Faunas. Geological Survey of Canada Bulletin 467:1-663
Parent taxon: Sirenitidae according to A. G. Konstantinov 2025
See also Tozer 1994
Sister taxa: Anasirenites, Diplosirenites, Guanlingoceras, Neosirenites, Norosirenites, Orientosirenites, Pamphagosirenites, Pseudosirenites, Pseudotibetites, Pterosirenites, Seimkanites, Sirenites, Sirenites nabeschi, Sirenotrachyceras, Striatosirenites, Vredenburgites
Subtaxa: Yakutosirenites (Yakutosirenites) Yakutosirenites pentastichus
Type: Sirenites pentastichus
Ecology: nektonic carnivore
Distribution:
• Triassic of Canada (1: Nunavut collection), the Russian Federation (2)
Total: 3 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.