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Alopoglossus collii »

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Higher TaxaAlopoglossidae, Sauria, Gymnophthalmoidea, Squamata (lizards)
Common Names 
DistributionBrazil (Rondônia, Mato Grosso)

Type locality: Brazil, State of Rondônia, Pimenta Bueno (11°51′45.2′′S, 60°56′18 ′′W).  
TypesHolotype: CHUNB 18038, female, between 1 July and 24 August 2000, Guarino Colli, field number GRCOLLI 5572.
Paratypes: Brazil: State of Mato Grosso: UFMT 4105, PCH Ombreiras Margem direita do Rio Jauru (15°19′2.3′′S, 58°51′42.8′′W); State of Rondônia: CHUNB 18037, CHUNB 18039–18040 and CHUNB 18599, males, Pimenta Bueno (11°51′45.2′′S, 60°56′18 ′′W), between 1 July and 24 August 2000, Colli, field numbers GRCOLLI 5816, 5757, 5681 and 5684, respectively; CHUNB 11472, male, Vilhena (12°07′19.1′′S, 60°16′39.1′′W), between 20 August and 22 September 1999, Mesquita, field number GRCOLLI 4041. 
DiagnosisDiagnosis: Alopoglossus collii is distinguished from all other species of Alopoglossus by the combination of the following characters: (1) scales on the sides of the neck non-granular, keeled, imbricate (at least medial and posterior ones phylloid), in eight or nine transverse rows; (2) three pairs of chin shields; (3) third pair of chin shields with rounded posterior margins, in direct contact with gulars or separated from them by small scales; (4) absence of a pair of medial enlarged pregular scales (see Remarks below); (5) scales on gular region varying in shape and size: lateral ones strongly keeled, pointed, phylloid (except the anterior ones); the first three anterior transverse rows with scales smooth, almost rounded, larger than those in the proceeding row (anteriormost row with the largest scales); medial and posterior ones smooth, almost rounded, bluntly pointed, larger than lateral ones; (6) ventral scales mucronate, imbricate, with bluntly pointed posterior margins, varying from smooth to feebly keeled; (7) total number of femoral pores in males 19–22. 
CommentHabitat: leaf litter in dry open forest. 
EtymologyThe specific epithet is a noun in the genitive case honouring herpetologist Guarino Rinaldi Colli in recognition of his valuable contribution to the knowledge on the lizards of the Cerrado, especially in the State of Rondônia, Brazil. 
  • Ribeiro-Junior, M. A., Choueri, E., Lobos, S., Venegas, P., Torres-Carvajal, O. and Werneck, F. 2020. Eight in one: morphological and molecular analyses reveal cryptic diversity in Amazonian alopoglossid lizards (Squamata: Gymnophthalmoidea). Zoological Journal of the Linnean Society 190 (1): 227–270 - get paper here
  • Ribeiro-Júnior, Marco Antônio; Shai Meiri, Antoine Fouquet 2020. A New Species of Alopoglossus Boulenger (1885) (Squamata, Alopoglossidae) from the Lowlands of the Eastern Guiana Shield, with Assessment of the Taxonomic Status of A. copii surinamensis. Journal of Herpetology 54 (4): 427-445 - get paper here
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