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Laemanctus waltersi SCHMIDT, 1933

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Higher TaxaCorytophanidae, Iguania, Sauria, Squamata (lizards) 
Subspecies 
Common NamesWalters’ Casquehead Iguana 
SynonymLaemanctus waltersi SCHMIDT 1933: 20
Laemanctus longipes waltersi — MCCOY 1968: 670
Laemanctus longipes waltersi — MCCRANIE & KÖHLER 2004
Laemanctus waltersi — MCCRANIE 2015
Laemanctus waltersi — MCCRANIE 2018 
DistributionNW Honduras.

Type locality: “Lake Ticamaya, east of San Pedro, between the Chamelecon and Ulua Rivers, Honduras”.  
Reproductionoviparous 
TypesHolotype: FMNH 5213 
DiagnosisDiagnosis (waltersi). The prominent flat-topped cephalic crest will distinguish Laemanctus waltersi from all other Honduran lizards, except the other species of Laemanctus. Laemanctus longipes has a complete gular fold, has 43–47 scales around the midbody, has 34–41 scales in the vertebral row between levels of the forelimb insertion and groin, and has smaller lateral scales (versus gular fold absent, 30–39 scales around midbody, 24– 34 scales in vertebral row, and no smaller lateral scales present in L. waltersi). Laemanctus julioi has 20 rather regularly arranged postrostral scales on top of the head in front of the levels of the eyes, has 53 scales around midbody, and has a distinct gular fold (versus 36–45 postrostral scales, 30–39 scales around midbody, and no gular fold in L. waltersi). Laemanctus serratus has 21–22 postrostrals, a fringe of enlarged triangular scales on the posterior edge of the cephalic crest, and has a serrated middorsal crest (versus 36–45 postrostral scales present, fringe of enlarged triangular cephalic scales absent, and serrated middorsal crest scales absent in L. waltersi). 
Comment 
EtymologyThe patronym waltersi honors Leon L. Walters, the taxidermist at the FMNH, who accompanied Schmidt when the holotype was collected. 
References
  • McCOY, C. J. 1968. A review of the genus Laemanctus (Reptilia: Iguanidae). Copeia 1968 (4): 665-78. - get paper here
  • McCranie, J.R. & Köhler, G. 2004. Laemanctus longipes. Catalogue of American Amphibians and Reptiles 795: 1-4 - get paper here
  • McCranie, James R. 2015. A checklist of the amphibians and reptiles of Honduras, with additions, comments on taxonomy, some recent taxonomic decisions, and areas of further studies needed. Zootaxa 3931 (3): 352–386 - get paper here
  • McCranie, James R. 2018. The Lizards, Crocodiles, and Turtles of Honduras. Systematics, Distribution, and Conservation. Bulletin of the Museum of Comparative Zoology, Special Publication Series (2): 1- 666 - get paper here
  • Schmidt, K. P. 1933. New reptiles and amphibians from Honduras. Field Mus. Nat. Hist. Zool. Ser. 20: 15-22. - get paper here
 
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