Cephalopoda - Ammonitida - Olcostephanidae
Parent taxon: Spiticeratinae according to C. Frau et al. 2016
See also Imlay and Jones 1970, Myczynski 1989 and Sepkoski 2002
Sister taxa: Aspidostephanus, Cantianiceras, Groebericeras, Kilianiceras, Negreliceras, Spiticeras, Umiaites
Subtaxa: Proniceras maupinense Proniceras pronum Proniceras subpronum
Type: Ammonites pronus
Ecology: fast-moving nektonic carnivore
Distribution:
• Cretaceous of the Czech Republic (1 collection), France (5)
• Jurassic to Cretaceous of the Russian Federation (1), United States (1: Oregon)
• Jurassic of Cuba (1), France (3), Iraq (1), Mexico (1), Peru (1), United States (2: California)
Total: 17 collections including 18 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.