Extinct genus of lizards
Anchaurosaurus (meaning "morning lizard" in Latin) is an extinct genus of iguanian lizard from the Late Cretaceous of Inner Mongolia, China. It belongs to an extinct clade of iguanians called Gobiguania that was endemic to the Gobi Desert during the Late Cretaceous. The type species, Anchaurosaurus gilmorei, was named in 1995 on the basis of a well-preserved skull and incomplete skeleton from the Djadochta Formation. Compared to other iguanians, "Anchaurosaurus" has a relatively elongated skull, large eye sockets, and higher tooth crowns. Phylogenetic analysis indicates that among gobiguanians, "Anchaurosaurus" is most closely related to "Zapsosaurus" from Mongolia. Below is a cladogram from Daza "et al." (2012) showing the phylogenetic relationships of "Anchaurosaurus":
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