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Trimorphodon quadruplex SMITH, 1941

IUCN Red List - Trimorphodon quadruplex - Least Concern, LC

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Higher TaxaColubridae, Colubrinae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Common Names 
SynonymTrimorphodon biscutatus quadruplex SMITH 1941: 157
Trimorphodon quadruplex — SMITH 1942: 206
Trimorphodon biscutatus quadruplex — MERTENS 1952: 76
Trimorphodon biscutatus quadruplex — SCOTT & MCDIARMID 1984
Trimorphodon quadruplex — DEVITT et al. 2008
Trimorphodon quadruplex — WALLACH et al. 2014: 745 
DistributionNicaragua, Honduras, SE Guatemala, El Salvador, Costa Rica

Type locality: “Esteli, Nicaragua”  
TypesHolotype: USNM 89476, female 
CommentHabitat: partly arboreal (Harrington et al. 2018). 
  • Devitt, Thomas J.; Travis J. LaDuc, and Jimmy A. McGuire 2008. The Trimorphodon biscutatus (Squamata: Colubridae) Species Complex Revisited: A Multivariate Statistical Analysis of Geographic Variation. Copeia 2008 (2): 370–387 - get paper here
  • Harrington, Sean M; Jordyn M de Haan, Lindsey Shapiro, Sara Ruane 2018. Habits and characteristics of arboreal snakes worldwide: arboreality constrains body size but does not affect lineage diversification. Biological Journal of the Linnean Society 125 (1): 61–71 - get paper here
  • Jadin, Robert C., and Eric N. Smith. 2010. The hemipenis of Trimorphodon quadruplex. Herpetological Review 41(2): 157-159 - get paper here
  • McCranie, James R. 2014. Geographic Distribution: Trimorphodon quadruplex (Central American lyresnake; colcuate). Herpetological Review 45 (2): 286 - 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., and Alexander Gutsche. 2016. The herpetofauna of islands in the Golfo de Fonseca and adjacent waters, Honduras. Mesoamerican Herpetology 3 (4): 842–899 - get paper here
  • Mertens, R. 1952. Die Amphibien und Reptilien von El Salvador. Abh. senckenb. naturf. Ges. (Frankfurt) (No. 487): 120 pp.
  • Scott, N. J., & MCDIARMID, R. W. 1984. Trimorphodon biscutatus. Catalogue of American Amphibians and Reptiles (353): 1-4. - get paper here
  • Smith, Hobart M. 1941. Notes on the snake genus Trimorphodon. Proc. US Natl. Mus. 91 (3130): 149-168 - get paper here
  • Solís, J. M., L. D. Wilson, and J. H. Townsend. 2014. An updated list of the amphibians and reptiles of Honduras, with comments on their nomenclature. Mesoamerican Herpetology 1: 123–144 - get paper here
  • Sunyer, Javier 2014. An updated checklist of the amphibians and reptiles of Nicaragua. Mesoamerican Herpetology 1 (2): 186–202. - get paper here
  • Wallach, Van; Kenneth L. Williams , Jeff Boundy 2014. Snakes of the World: A Catalogue of Living and Extinct Species. [type catalogue] Taylor and Francis, CRC Press, 1237 pp.
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