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From Simple English Wikipedia, the free encyclopedia

Temporal range:
Earliest Triassic - Holocene,[1] 252–0 Ma
Skull of Sophineta cracoviensis
Collage of five lepidosaurs. From top left to right: Sphenodon punctatus, Dendroaspis polylepis, Iguana iguana, Smaug breyeri and Malayopython reticulatus.
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Clade: Sauria
Clade: Lepidosauromorpha
Benton, 1983

see text.


The Lepidosauromorphs are a large group of reptiles. It includes all diapsids closer to lizards than to archosaurs.

The only living sub-group is the Lepidosauria: lizards, snakes, and the tuatara.

The most important fossil group, the Sauropterygia, includes the plesiosaurs.

Classification[change | change source]

References[change | change source]

  1. Jones, M. E.; Anderson, C.; Hipsley, C. A.; Müller, J.; Evans, S. E.; Schoch, R. R. (2013). "Integration of molecules and new fossils supports a Triassic origin for Lepidosauria (lizards, snakes, and tuatara)". BMC Evolutionary Biology. 13: 208. doi:10.1186/1471-2148-13-208. PMC 4016551. PMID 24063680.