|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Reptilia - Squamata
If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
|V. R. Alifanov 1993||Orbits large. Infraorbital apertures round. Frontal bones bearing traces of sculpture. Parietal bone wide. no contact between pterygoids and vomers. Quadrate bone very high. Teeth becoming rapidly larger posteriorly. bases of largest teeth markedly wider. Lateral shoulders of tooth apices wide and round. number of teeth in maxillae and lower jaws reaches 14.|