Drepanosaur

Drepanosaurs; Temporal range: Late Triassic,
	Fossil specimen of Drepanosaurus unguicaudatus
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Clade:	Neodiapsida
Clade:	†Drepanosauromorpha; Renesto et al., 2010
Subgroups
	†Hypuronector; †Kyrgyzsaurus; †Longisquama?; †Protoavis?; †Elyurosauria †Vallesaurus; †Drepanosauridae †Ancistronychus; †Dolabrosaurus; †Skybalonyx; †Megalancosaurinae †Drepanosaurus; †Megalancosaurus; †Avicranium; ; ; ;

Drepanosaurs (members of the clade Drepanosauromorpha) are a group of extinct reptiles that lived between the Carnian and Rhaetian stages of the late Triassic Period, approximately between 230 and 210 million years ago. The various species of drepanosaurid were characterized by specialized grasping limbs and often prehensile tails, adaptions for arboreal (tree-dwelling) and fossorial (digging) lifestyles, with some having also been suggested to be aquatic. Fossils of drepanosaurs have been found in Arizona, New Mexico, New Jersey, Utah, England, and northern Italy. The name is taken from the family's namesake genus Drepanosaurus, which means "sickle lizard," a reference to their strongly curved claws.

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Drepanosaurs Temporal range: Late Triassic,

Fossil specimen of Drepanosaurus unguicaudatus
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Clade:	Neodiapsida
Clade:	†Drepanosauromorpha Renesto et al., 2010
Subgroups
†Hypuronector †Kyrgyzsaurus †Longisquama? †Protoavis? †Elyurosauria †Vallesaurus †Drepanosauridae †Ancistronychus †Dolabrosaurus †Skybalonyx †Megalancosaurinae †Drepanosaurus †Megalancosaurus †Avicranium