Cephalopoda - Ammonitida - Ptychoceratidae
Alternative spellings: Hamites (Ptychoceras), Hemiptychoceras (Ptychoceras)
Parent taxon: Ptychoceratidae according to O. Szives 2007
See also Anderson 1902, Henderson 1990, Kakabadze and Hoedemaeker 1997, Kennedy 1994, Klein et al. 2007, Landra et al. 2000, Sepkoski 2002 and Wright 1952
Sister taxa: Diptychoceras, Inaptychoceras
Subtaxa: Ptychoceras adpressum Ptychoceras emericianum Ptychoceras fauncei Ptychoceras laeve Ptychoceras laeve Ptychoceras natrice Ptychoceras poni Ptychoceras puzosianum Ptychoceras quadratus
Ecology: fast-moving nektonic carnivore
Distribution:
• Cretaceous of Angola (1 collection), Antarctica (3), Argentina (1), Australia (1), Colombia (2), the Czech Republic (1), France (8), Georgia (1), Hungary (2), Italy (3), Madagascar (1), Mexico (1), the Russian Federation (1), Spain (2), United States (32: Alaska, California)
Total: 60 collections including 61 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.