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Echinosaura sulcarostrum DONNELLY, MACCULLOCH, UGARTE & KIZIRIAN, 2006

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Higher TaxaGymnophthalmidae (Cercosaurinae), Sauria, Gymnophthalmoidea, Squamata (lizards) 
Common Names 
SynonymEchinosaura sulcarostrum DONNELLY, MACCULLOCH, UGARTE & KIZIRIAN 2006 

Type locality: Guyana, Baramita, approximately 1 km S airstrip, 07°22’N, 060°29’W, elevation 100 m.  
TypesHolotype: ROM 22893 
DiagnosisDiagnosis.—Echinosaura sulcarostrum is diagnosed from all other gymnophthalmids by the presence of a striated rostral and mental scales, a unique arrangement of scales on the snout including three rows of scales of subequal size between rostral and frontal scales, and by the absence of an unpaired median postmental (from DONNELLY et al. 2006).
CommentThis species is not part of the Echinosaura clade fide TORRES-CARVAJAL et al. 2016 although they do not assign it to any other genus.

Abundance: only known from its original description (Meiri et al. 2017). 
EtymologyNamed after the Latin words sulcus, meaning furrow or groove, and rostrum, meaning snout. 
  • Cole, Charles J.; Carol R. Townsend, Robert P. Reynolds, Ross D. MacCulloch, and Amy Lathrop 2013. Amphibians and reptiles of Guyana, South America: illustrated keys, annotated species accounts, and a biogeographic synopsis. Proceedings of the Biological Society of Washington 125 (4): 317-578; plates: 580-620 - get paper here
  • Donnelly, M.A.; MacCulloch, R.D., Ugarte, C.A. & Kizirian, D. 2006. A New Riparian Gymnophthalmid (Squamata) from Guyana. Copeia 2006 (3): 396-403 - get paper here
  • Meiri, Shai; Aaron M. Bauer, Allen Allison, Fernando Castro-Herrera, Laurent Chirio, Guarino Colli, Indraneil Das, Tiffany M. Doan, Frank Glaw, Lee L. Grismer, Marinus Hoogmoed, Fred Kraus, Matthew LeBreton, Danny Meirte, Zoltán T. Nagy, Cristiano d 2017. Extinct, obscure or imaginary: the lizard species with the smallest ranges. Diversity and Distributions - get paper here
  • Torres-Carvajal, Omar; Simón E. Lobos, Pablo J. Venegas, Germán Chávez, Vanessa Aguirre-Peñafiel, Daniel Zurita, Lourdes Y. Echevarría 2016. Phylogeny and biogeography of the most diverse clade of South American gymnophthalmid lizards (Squamata, Gymnophthalmidae, Cercosaurinae). Molecular Phylogenetics and Evolution 99: 63-75, doi:10.1016/j.ympev.2016.03.006 - get paper here
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