Cladistic analysis of Iguania and a fossil lizard from the late pliocene of northwestern Argentina
- Daza Vaca, Juan Diego
- Abdala, Virginia Sara Luz
- Arias Becerra, Joan Salvador
- Garcia Lopez, Daniel Alfredo
- Ortiz, Pablo Edmundo
DOIAbstract
A fragmentary fossil lizard from Uquía Formation (Late Pliocene), Jujuy Province, Argentina, is described. The material consists of disarticulated cranial bones from the snout and jaw that were part of a microvertebrate fossil assemblage generated by accumulation of predatory birds pellets. The phylogenetic analysis of 396 morphological characters indicates a sister-group relationship between the new taxon and a clade formed by the families Liolaemidae, Leiocephalidae, and Tropiduridae. Its uncertain position and substantial morphological differences justify its placement in a new genus. We present a detailed osteological description of the material, and compare the morphological features with other Iguanoidea. In the context of this new an...
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