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A new and very spiny lizard (Gymnophthalmidae: Echinosaura) from the Andes in northwestern Ecuador

AutorInnen: 
Yánez-Muñoz, M. H., Torres-Carvajal, O., Reyes-Puig, J.P., Urgiles-Merchán, M.A., Koch, C.
Erscheinungsjahr: 
2021
Vollständiger Titel: 
A new and very spiny lizard (Gymnophthalmidae: Echinosaura) from the Andes in northwestern Ecuador
ZFMK-Autorinnen / ZFMK-Autoren: 
Org. Einordnung: 
Publiziert in: 
PeerJ
Publikationstyp: 
Zeitschriftenaufsatz
DOI Name: 
http://doi.org/10.7717/peerj.12523
Keywords: 
High resolution x-ray tomography, Osteology, Phylogeny, Skull, South America, Spined tegu, Squamata, Systematics, Taxonomy
Bibliographische Angaben: 
Yánez-Muñoz, M. H., Torres-Carvajal, O., Reyes-Puig, J.P., Urgiles-Merchán, M.A., Koch, C. (2021): A new and very spiny lizard (Gymnophthalmidae: Echinosaura) from the Andes in northwestern Ecuador. - PeerJ 9:e12523; http://doi.org/10.7717/peerj.12523
Abstract: 

We describe a new species of Neotropical spiny-lizard of the genus Echinosaura from the Imbabura and Carchi Provinces on the western slopes of the Andes in northwestern Ecuador. The new species mostly resembles E. horrida. However, it can be distinguished from all congeners by having keeled enlarged dorsal scales forming a paired vertebral row, two paravertebral series of short oblique rows of projecting scales, and a pair of spine-like scales on temporal and nuchal regions. We also provide a detailed description of the osteology of the skull and pectoral girdle of the new species and present a phylogenetic hypothesis for Echinosaura based on three mitochondrial genes (12S, 16S, ND4) and one nuclear gene (c-mos).

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