Cephalopoda - Ammonitida - Ancyloceratidae
Parent taxon: Ancyloceratinae according to R. Förster and H. Weier 1983
See also Förster 1975, Sepkoski 2002 and Whitehouse 1926
Sister taxa: Acanthoptychoceras, Acrioceras, Ancyloceras, Caspianites, Dirrymoceras, Epancyloceras, Huastecoceras, Tonohamites
Subtaxa: Tropaeum (Tropaeum) Tropaeum antarcticum Tropaeum arcticum Tropaeum australe Tropaeum caseyi Tropaeum hillsi Tropaeum imperator Tropaeum leptum Tropaeum percostatum Tropaeum rarum Tropaeum subsimbirskense Tropaeum undatum
Ecology: fast-moving nektonic carnivore
Distribution:
• Cretaceous of Antarctica (3 collections), Argentina (4), Australia (7), France (2), Georgia (1), Germany (2), India (2), Madagascar (1), Morocco (1), Mozambique (4), the Russian Federation (1), South Africa (5), South Georgia and the South Sandwich Islands (1), Svalbard and Jan Mayen (3), Tanzania (1), the United Kingdom (21), United States (3: California)
Total: 62 collections including 77 occurrences
Specimen images are retrieved through the ePANDDA API.