Cephalopoda - Ammonitida - Acanthoceratidae
Parent taxon: Romaniceras according to P. L. Sealey and S. G. Lucas 2019
See also Chancellor et al. 1994, Kennedy and Cobban 1988, Kennedy and Cobban 1988, Kennedy and Gale 2016, Renz 1982 and Wright et al. 1996
Sister taxa: Romaniceras (Neomphaloceras), Romaniceras (Obiraceras), Romaniceras (Shuparoceras), Romaniceras (Yubariceras), Romaniceras deverioides, Romaniceras pseudodeverianum, Romaniceras uchauxiense
Subtaxa: Romaniceras (Romaniceras) deverianum Romaniceras (Romaniceras) deverianus Romaniceras (Romaniceras) kallesi Romaniceras (Romaniceras) mexicanum
Ecology: fast-moving nektonic carnivore
Distribution:
• Cretaceous of Brazil (2 collections), France (3), Japan (4), Mexico (6), Papua New Guinea (1), Spain (1), Tunisia (1), United States (23: New Mexico), Venezuela (1)
Total: 42 collections including 47 occurrences