Reptilia - Squamata - Dolichosauridae
Parent taxon: Pythonomorpha according to M. W. Caldwell et al. 2021
See also Carroll 1988, Dal Sasso and Pinna 1997, Gervais 1853, Huene 1954, Kuhn 1946, Kuhn 1966, Lee and Caldwell 2000, McDowell and Bogert 1954, Palci and Caldwell 2010, Paparella et al. 2018, Seiffert 1975 and Zittel 1890
Sister taxon: Dolichosauri
Subtaxa: Acteosaurus Adriosaurus Aphanizocnemus Coniasaurus Dolichosaurus Pontosaurus Primitivus Tetrapodophis
Distribution:
• Cretaceous of Australia (1 collection), Brazil (1), Canada (1: Saskatchewan), Croatia (1), France (1), Italy (1), Kazakhstan (1), Lebanon (1), Slovenia (4), Spain (1), the United Kingdom (9), United States (13: Colorado, Kansas, Nebraska, Texas)
Total: 35 collections including 38 occurrences