Alternative spellings: Amblystomidae, Ambystomidae
Parent taxon: Ambystomatoidea according to K.-Q. Gao and N. H. Shubin 2001
See also Carroll 1988, Cope 1875, Estes 1981, Frank and Ramus 1996, Haubold 1971, Holman 1977, Holman et al. 1990, Kuhn 1946 and Skutschas and Gubin 2012
Sister taxa: Dicamptodontidae, Scapherpetontidae
Subtaxa: Amblystoma Amphitriton Plioambystoma
Distribution:
• Quaternary of Mexico (1 collection), United States (70: Alabama, Arizona, Colorado, Florida, Georgia, Kansas, Maryland, New Mexico, South Dakota, Texas, Virginia, West Virginia)
• Blancan of United States (3: Arizona, Nebraska)
• Hemphillian of United States (2: Kansas, Tennessee)
• Miocene of United States (12: Kansas, Nebraska, South Dakota)
• Eocene of Canada (1: Saskatchewan)
Total: 89 collections including 106 occurrences