Parent taxon: Teiidae according to M. A. Norell 1989
See also Estes 1983
Sister taxa: Alethesaurus quadratus, Alopoglossus, Amapasaurus, Anotosaura, Brevisaurus, Callopistinae, Cercosaura, Colobosaura, Colobosauroides, Conicodontosaurus, Crocodilurus, Echinosaura, Gerontoseps, Glyptogenys, Harmodontosaurus, Iguanavus exilis, Iguanavus teres, Iphisa, Kentropyx, Lanceosaurus compressus, Lanceosaurus hatcheri, Meyasaurus, Pantodactylus, Proctoporus, Ptilotodon, Sphenosiagon, Teiinae, Tupinambinae
Subtaxa: Ameiva Cnemidophorus Dicrodon
Ecology: ground dwelling insectivore-carnivore
Distribution:
• Quaternary of Antigua and Barbuda (3 collections), the Bahamas (4), Brazil (2), Jamaica (1), Mexico (1), United States (10: Arizona, California, Florida, Kansas, Missouri, Nevada, New Mexico, South Dakota)
• Blancan of United States (3: California, Kansas, Nebraska)
• Hemphillian of United States (2: Arizona, Nebraska)
• Miocene of United States (6: Florida, Kansas, Nebraska)
Total: 32 collections including 33 occurrences