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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 PLoS+One
2015 ; 10
(9
): e0137523
Nephropedia Template TP
gab.com Text
Twit Text FOAVip
Twit Text #
English Wikipedia
New Data on the Clevosaurus (Sphenodontia: Clevosauridae) from the Upper Triassic
of Southern Brazil
#MMPMID26355294
Hsiou AS
; De França MA
; Ferigolo J
PLoS One
2015[]; 10
(9
): e0137523
PMID26355294
show ga
The sphenodontian fossil record in South America is well known from Mesozoic and
Paleogene deposits of Argentinean Patagonia, mainly represented by
opisthodontians, or taxa closely related to the modern Sphenodon. In contrast,
the Brazilian fossil record is restricted to the Caturrita Formation, Late
Triassic of Rio Grande do Sul, represented by several specimens of Clevosauridae,
including Clevosaurus brasiliensis Bonaparte and Sues, 2006. Traditionally,
Clevosauridae includes several Late Triassic to Early Jurassic taxa, such as
Polysphenodon, Brachyrhinodon, and Clevosaurus, the latter well-represented by
several species. The detailed description of the specimen MCN-PV 2852 allowed the
first systematic revision of most Clevosaurus species. Within Clevosauridae,
Polysphenodon is the most basal taxon, and an IterPCR analysis revealed
Brachrhynodon as a possible Clevosaurus; C. petilus, C. wangi, and C. mcgilli as
possibly distinct taxonomic entities; and the South African Clevosaurus sp. is
not closely related to C. brasiliensis. These data indicate the need of a deep
phylogenetic review of Clevosauridae, in order to discover synapomorphic
characters among the diversity of these Triassic/Jurassic sphenodontians.