Reptilia - Crocodylia - Alligatoridae
Parent taxon: Alligatoridae according to J. P. Rio and P. D. Mannion 2021
See also Böhme 2002, Brochu 1999, Erickson 1982, Estes 1964, Estes 1976, Estes and Berberian 1970, Khajuria and Prasad 1998, Kuhn 1946, Kuhn 1966, Pearson et al. 2002, Peng et al. 2001, Pinheiro et al. 2013 and Snyder 2007
Sister taxa: Caimaninae, Caimanoidea, Caimanosuchus, Dinosuchus, Eocenosuchus, Hispanochampsa, Lianghusuchus, Listrognathosuchus, Proalligator
Subtaxa: Ahdeskatanka Alligator Allognathosuchus Arambourgia Navajosuchus
Ecology: carnivore
Distribution:
• Quaternary of China (25 collections), Taiwan (1), Thailand (1), United States (31: Florida, Georgia, Mississippi, Missouri, South Carolina, Texas)
• Blancan of United States (3: Florida)
• Pliocene of Japan (1)
• Hemphillian of United States (6: Florida, Tennessee)
• Miocene of China (2), United States (25: Florida, Nebraska, Oklahoma, Texas, Virginia)
• Arikareean of United States (1: Florida)
• Eocene of Belgium (1), Canada (1: Northwest Territories), France (4), Germany (4), Thailand (1), the United Kingdom (2), United States (108: Colorado, Nebraska, North Dakota, South Dakota, Texas, Utah, Wyoming)
• Cf3 of United States (1: Wyoming)
• Clarkforkian of United States (4: Wyoming)
• Paleocene of Argentina (1), United States (22: Colorado, Montana, New Mexico, Utah, Wyoming)
• Cretaceous of Canada (15: Alberta), United States (7: Maryland, New Jersey, North Dakota, Wyoming)
Total: 267 collections including 270 occurrences