Cephalopoda - Ammonitida - Coilopoceratidae
Alternative spelling: Coelopoceratidae
Full reference: A. Hyatt. 1903. Pseudoceratites of the Cretaceous. United States Geological Survey, Monograph 44:1-351
Parent taxon: Acanthocerataceae according to C. Meister et al. 1992
See also Anderson 1958, Kennedy and Simmons 1991, Wright 1952 and Zaborski 1987
Sister taxa: Acanthoceratidae, Brancoceratidae, Cleoniceratidae, Collignoniceratidae, Flickiidae, Forbesiceratidae, Hystatoceratidae, Leymeriellidae, Lyelliceratidae, Mojsisovicsiidae, Peroniceratidae, Prolyelliceratidae, Pseudotissotidae, Pseudotissotiidae, Sphenodiscidae, Tissotiidae, Vascoceratidae
Subtaxa: Coilopoceras Erichsenites Hoplitoides
Ecology: fast-moving nektonic carnivore
Distribution:
• Cretaceous of Brazil (18 collections), Cameroon (14), Colombia (1), Egypt (11), France (3), Israel (6), Madagascar (1), Mexico (9), Niger (3), Nigeria (7), Peru (10), Trinidad and Tobago (1), Tunisia (7), United States (58: California, New Mexico, Texas), Venezuela (2)
Total: 151 collections including 188 occurrences