Cephalopoda - Ammonitida - Polyptychitidae
Full reference: R. W. Imlay. 1960. Ammonites of Early Cretaceous age (Valanginian and Hauterivian) from the Pacific Coast states. United States Geological Survey Professional Paper 334(F):1-228
Belongs to Neocraspedites according to R. W. Imlay 1960
Sister taxa: Tollia (Neocraspedites) greenlandica, Tollia (Neocraspedites) pentagonalis, Tollia (Neocraspedites) piaseckii, Tollia (Neocraspedites) rutila, Tollia (Neocraspedites) semilaevis, Tollia (Neocraspedites) semisulcata, Tollia (Neocraspedites) undulatocostata
Ecology: fast-moving nektonic carnivore
Distribution:
• Cretaceous of the Russian Federation (1 collection), United States (4: California)
Total: 5 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.