Pumiliopareia

Pumiliopareia; Temporal range: Changhsingian, 254–252 Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓
	Life restoration of Pumiliopareia pricei
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Order:	Procolophonomorpha
Family:	†Pareiasauridae
(unranked):	†Pumiliopareiasauria
Genus:	Pumiliopareia; Broom and Robinson, 1948
Type species
	†Pumiliopareia pricei; Broom and Robinson, 1948
Synonyms
	Nanoparia pricei Broom and Robinson, 1948 ; Pareiasaurus pricei Broom and Robinson, 1948;

Pumiliopareia is an extinct genus of pareiasaurid parareptile from the Permian period of South Africa.It is known from a complete skeleton with osteoderms.

Description

Pumiliopareia was about 50 cm in length with a 12 cm skull. It is the smallest known member of the pareiasaurs, measuring only a fifth as long as some of its larger relatives. Like Anthodon, its body was entirely covered with osteoderms. In analyses that support a pareiasaur origin of turtles, the sister taxon of the testudines. However it specifically shares with turtles a single trait only: Ribs greatly expanded anteroposteriorly (i.e. wide).

Classification

Originally included under the genus Nanoparia, it was given its own name by Lee 1997 who found it did not form a clade with Nanoparia luckhoffi, the type species of that genus, and preferred to have monophyletic genera. Nanoparia may still be a paraphyletic genus, which is allowed in Linanean binomial taxonomy, or it may be that all three pumiliopareiasaurs are similar enough to belong to single genus.

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External links

Elginiidae and Pumiliopareiasauria at Palaeos

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