Xenosauridae

Xenosauridae; Temporal range: Barremian–Holocene PreꞒ Ꞓ O S D C P T J K Pg N
	Xenosaurus platyceps
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Order:	Squamata
Clade:	Carusioidea
Family:	Xenosauridae; Cope, 1886
Genera
	†; †; Xenosaurus; †; †;

Xenosauridae is a family of anguimorph lizards whose only living representative is the genus Xenosaurus, which is native to Central America. Xenosauridae also includes the extinct genera and . Also known as knob-scaled lizards, they have rounded, bumpy scales and osteoderms. Most living species prefer humid, rocky habitats, although they are widespread within their native regions, with some inhabiting semi-arid scrub environments. They are carnivorous or insectivorous, and give birth to live young.^[2]

Shinisaurus, the Chinese crocodile lizard, was once also regarded as a member of Xenosauridae, but most recent studies of the evolutionary relationships of anguimorphs consider Shinisaurus to be more closely related to monitor lizards and helodermatids than to Xenosaurus.^[3] Xenosauridae is part of a larger clade or evolutionary grouping called Carusioidea, which, in addition to xenosaurids, includes the extinct genus Carusia.^[4]

References[]

^ "Fossilworks: Xenosauridae".
^ Bauer, Aaron M. (1998). Cogger, H.G.; Zweifel, R.G. (eds.). Encyclopedia of Reptiles and Amphibians. San Diego: Academic Press. pp. 159–160. ISBN 0-12-178560-2.
^ Bhullar, B. A. S. (2011). "The Power and Utility of Morphological Characters in Systematics: A Fully Resolved Phylogeny of Xenosaurus and Its Fossil Relatives (Squamata: Anguimorpha)". Bulletin of the Museum of Comparative Zoology. 160 (3): 65–181. doi:10.3099/0027-4100-160.3.65. S2CID 86328454.
^ Conrad, J. L.; Ast, J. C.; Montanari, S.; Norell, M. A. (2011). "A combined evidence phylogenetic analysis of Anguimorpha (Reptilia: Squamata)". Cladistics. 27 (3): 230–277. doi:10.1111/j.1096-0031.2010.00330.x. S2CID 84301257.

External links[]

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[1] "Fossilworks: Xenosauridae".

[EoR-2] Bauer, Aaron M. (1998). Cogger, H.G.; Zweifel, R.G. (eds.). Encyclopedia of Reptiles and Amphibians. San Diego: Academic Press. pp. 159–160. ISBN 0-12-178560-2.

[BBS11-3] Bhullar, B. A. S. (2011). "The Power and Utility of Morphological Characters in Systematics: A Fully Resolved Phylogeny of Xenosaurus and Its Fossil Relatives (Squamata: Anguimorpha)". Bulletin of the Museum of Comparative Zoology. 160 (3): 65–181. doi:10.3099/0027-4100-160.3.65. S2CID 86328454.

[CAMN11-4] Conrad, J. L.; Ast, J. C.; Montanari, S.; Norell, M. A. (2011). "A combined evidence phylogenetic analysis of Anguimorpha (Reptilia: Squamata)". Cladistics. 27 (3): 230–277. doi:10.1111/j.1096-0031.2010.00330.x. S2CID 84301257.

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[2]

[3]

[4]

Xenosauridae Temporal range: Barremian–Holocene PreꞒ Ꞓ O S D C P T J K Pg N ^[1]

Xenosaurus platyceps
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Order:	Squamata
Clade:	Carusioidea
Family:	Xenosauridae Cope, 1886
Genera
† † Xenosaurus † †