Cephalopoda - Ammonitida - Hoplitidae
Full reference: C. W. Wright. 1952. A Classification of the Cretaceous Ammonites. Journal of Paleontology 26(2):213-222
Parent taxon: Hoplitidae according to C. W. Wright et al. 1996
See also Nagy 1970 and Wright 1952
Sister taxa: Anahoplitinae, Hoplitinae, Leymeriellinae, Sonneratiinae, Sulcohoplites
Subtaxa: Alopecoceras Anagastroplites Gastroplites Neogastroplites Paragastroplites Pseudogastroplites Pseudopulchellia Sokolovites Stelckiceras Stotticeras
Ecology: fast-moving nektonic carnivore
Distribution:
• Cretaceous of Canada (41: Alberta, British Columbia, Northwest Territories, Nunavut collections), the Netherlands Antilles (1), the Russian Federation (4), Svalbard and Jan Mayen (3), United States (5: California, Montana, Wyoming)
Total: 54 collections including 87 occurrences