Anomochilus leonardi (Smith 1940) extant, is typically considered a basal snake, but here it nests as a highly derived monstersaur. Anomochilus was derived from a sister to Uropeltis and was a sister to Leptotyphlops.

Distinct from Uropeltis, the skull of Anomochilus had a shorter rostrum. The nasals were longer than the frontals. The maxilla was shorter and with fewer teeth. The mandible did not have a simple hinge.

See Varanus for a local family tree or go here for the more inclusive reptile family tree.

Cundall D, Wallach V, Rossman DA 1993. The systematic relationships of the snake genus Anomochilus. Zoological Journal of the Linnean Society 109: 275–299.

Cundall D and Rossman DA 1993. Cephalic anatomy of the rare Indonesian snake genus Anomochilus. Zoological Journal of the Linnean Society 109: 235–273.

Gower DJ, Vidal N, Spinks JN and McCarthy CJ 2005. The phylogenetic position of Anomochilidae (Reptilia: Serpentes): first evidence from DNA sequences. Journal of Zoological Systematics and Evolutionary Research 43: 315–320.

Smith MA. 1940. A new snake of the genus Anomochilus from the Malay Peninsula. Annals and Magazine of Natural History 11: 447–449.

Rieppel O and Zaher H 2002. The skull of the Uropeltinae (Reptilia, Serpentes), with special reference to the otico-occipital region. Bulletin of the Natural History Museum, Zoological Series 68: 123–130.

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wiki/Anomochilus