Cephalopoda - Ammonitida - Sphenodiscidae
Synonym: Libycoceratidae Zaborski 1982
Full reference: A. Hyatt. 1900. Cephalopoda. Textbook of Palaeontology 1:502-604
Parent taxon: Acanthoceratoidea according to J. W. M. Jagt et al. 2019
See also Ahmad et al. 2015, Kennedy 1995, Kennedy 1995, Kennedy 1999, Kennedy and Cobban 1996, Kennedy et al. 1997, Kennedy and Klinger 2012, Kennedy et al. 1996, Landman and Cobban 2003, Wright 1952, Zaborski 1982 and Zaborski 1985
Sister taxa: Acanthoceratidae, Brancoceratidae, Cleoniceratidae, Coilopoceratidae, Collignoniceratidae, Flickiidae, Forbesiceratidae, Hystatoceratidae, Leymeriellidae, Lyelliceratidae, Mojsisovicsiidae, Peroniceratidae, Prolyelliceratidae, Pseudotissotidae, Pseudotissotiidae, Tissotiidae, Vascoceratidae
Subtaxa: Coahuilites Indoceras Lenticeratinae Libycoceras Manambolites Sphenodiscinae Sphenodiscus
Ecology: fast-moving nektonic carnivore
Distribution:
• Cretaceous to Paleogene of Mali (2 collections), United States (1: New Jersey)
• Cretaceous of Angola (2), Austria (1), Belgium (1), Brazil (3), Cuba (1), Egypt (4), France (12), Haiti (1), India (1), Jordan (7), Mali (1), Mexico (15), the Netherlands (1), Niger (5), Nigeria (8), Oman (1), Peru (4), Saudi Arabia (1), Senegal (2), South Africa (7), Spain (1), the United Arab Emirates (1), United States (187: Alabama, Arkansas, Colorado, Delaware, Georgia, Maryland, Mississippi, Missouri, New Jersey, North Carolina, South Carolina, South Dakota, Texas, Wyoming), Venezuela (4)
Total: 274 collections including 329 occurrences