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Trimorphodon vilkinsonii COPE, 1886

IUCN Red List - Trimorphodon vilkinsonii - Least Concern, LC
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Higher TaxaColubridae, Colubrinae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Subspecies 
Common NamesE: Texas Lyre Snake
G: Texas-Lyraschlange
S: Serpiente de Tetalura 
SynonymTrimorphodon vilkinsonii COPE 1886: 286
Trimorphodon wilkinsonii — COPE 1887: 68
Trimorphodon upsilon — GÜNTHER in SALVIN & GODMAN 1895 (part.)
Trimorphodon vilkinsonii — COPE 1900: 1105
Trimorphodon vilkinsonii — DEGENHARDT 1957
Trimorphodon biscutatus vilkinsonii — GEHLBACH 1971: 209
Trimorphodon biscutatus vilkinsonii — SCOTT & MCDIARMID 1984
Trimorphodon biscutatus vilkinsoni — TANNER 1985: 659
Trimorphodon biscutatus vilkinsonii — CONANT & COLLINS 1991: 218
Trimorphodon biscutatus vilkinsonii — CROTHER 2000
Trimorphodon lambda vilkinsoni — WERLER & DIXON 2000
Trimorphodon biscutatus vilkinsonii — TENNANT & BARTLETT 2000: 465
Trimorphodon biscutatus vilkinsonii — TENNANT 2003: 475
Trimorphodon vilkinsonii — LADUC & JOHNSON 2003
Trimorphodon vilkinsonii — DEVITT et al. 2008
Trimorphodon vilkinsonii — WALLACH et al. 2014: 745 
DistributionUSA (W Texas to S New Mexico),
Mexico (NE Chihuahua, Coahuila)

Type locality: “City of Chihuahua, Mexico”  
Reproductionoviparous 
TypesHolotype: USNM 14268, juvenile 
DiagnosisAdditional details, e.g. a detailed description or comparisons (442 characters), are available for collaborators and contributors. Please contact us for details. 
CommentHabitat: partly arboreal (Harrington et al. 2018). 
EtymologyNamed after Edward Wilkinson, an amateur collector of historical relics and natural history specimens (Scott & McDiarmid 1984). 
References
  • Baeza-Tarin, F; Hernandez, T; Giovanetto, L; Trevino, A E; Lazcano, D & Graham, S P 2018. Geographic Distribution: Trimorphodon vilkinsonii (Texas Lyresnake). Herpetological Review 49 (3): 508 - get paper here
  • Conant,R. & Collins,J.T. 1991. A Field Guide to Reptiles and Amphibians of Eastern/Central North America, 3rd ed. Houghton Mifflin (Boston/New York), xx + 450 p.
  • Cope, E.D. 1886. Thirteenth contribution to the herpetology of tropical America. Proc. Amer. Philos. Soc. 23: 271-287 [1885] - get paper here
  • Cope, E.D. 1887. Catalogue of batrachians and reptiles of Central America and México. Bull. US Natl. Mus. 32: 7-98 - get paper here
  • Cope, E.D. 1900. The crocodilians, lizards and snakes of North America. Ann. Rep. U.S. Natl. Mus. 1898: 153-1270 - get paper here
  • Crother, B. I. (ed.) 2012. Standard Common and Current Scientific Names for North American Amphibians, Turtles, Reptiles, and Crocodilians, Seventh Edition. Herpetological Circular 39: 1-92
  • Davis DR, LaDuc TJ 2018. Amphibians and reptiles of C. E. Miller Ranch and the Sierra Vieja, Chihuahuan Desert, Texas, USA. ZooKeys 735: 97-130 - get paper here
  • Degenhardt, William G.;Steele, G. Earl 1957. Additional specimens of Trimorphodon vilkinsoni from Texas. Copeia 1957 (4): 309-310 - get paper here
  • 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
  • Dixon, James R. 2000. Amphibians and reptiles of Texas, second edition. Texas A&M University Press, 421 pp.
  • Gatica-Colima, A., Macias-Rodríguez, E., Santiesteban-Martínez, A. & García-Elguera, G. 2012. Geographic distribution: Trimorphodon vilkinsonii (Chihuahuan lyresnake). Herpetological Review 43: 623 - get paper here
  • Gehlbach, F. R. 1971. Lyre snakes in the Trimorphodon biscutatus complex: a taxonomic resume. Herpetologica 27: 200-211. - get paper here
  • Hansen, R W; Bergquist, D & Stuart, J N; 2019. Geographic Distribution: Trimorphodon vilkinsonii (Texas Lyresnake) USA: New Mexico: Grant Co. Herpetological Review 50 (3): 531-532 - 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
  • Heimes, P. 2016. Snakes of Mexico. Chimaira, Frankfurt, 572 pp
  • Jameson, David H.;Flury, Alvin G. 1949. The reptiles and amphibians of the Sierra Vieja Range of southwestern Texas. Texas Journal of Science 1 (2): 54-77 - get paper here
  • LaDuc, Travis J. and Jerry D. Johnson. 2003. A taxonomic revision of Trimorphodon biscutatus vilkinsonii (Serpentes: Colubridae). Herpetologica 59 (3): 364-374 - get paper here
  • Lazcano D, Nevárez-de los Reyes M, García-Padilla E, Johnson JD, Mata-Silva V, DeSantis DL, Wilson LD. 2019. The herpetofauna of Coahuila, Mexico: composition, distribution, and conservation status. Amphibian & Reptile Conservation 13(2) [General Section]: 31–94 (e189) - get paper here
  • Murray, Ian W. and Christopher Newsom. 2011. Trimorphodon vilkinsonii (Texas lyresnake) mating. Herpetological Review 42 (3): 446 - get paper here
  • O’Shea, M. 2018. The Book of Snakes. Ivy Press / Quarto Publishing, London, - get paper here
  • Price, Michael S. 2015. Geographic Distribution: Trimorphodon vilkinsonii (Texas lyresnake). Herpetological Review 46 (4): 578 - get paper here
  • Salvin, O. & Godman, F.D. 1895. Biologi Centrali-Americana or Contributions to the knowledge of the fauna and flora of Mexico and Central America. Porter and Dulan & Co., London.
  • Scott, N. J., & MCDIARMID, R. W. 1984. Trimorphodon biscutatus. Catalogue of American Amphibians and Reptiles (353): 1-4. - get paper here
  • Tanner, Wilmer W. 1985. Snakes of Western Chihuahua. Great Basin Naturalist 45 (4): 615-676 - get paper here
  • Tennant, A. 2003. Snakes of North America - Eastern and Central Regions, revised edition. Lone Star Books, 605 pp.
  • Vargas, Kyle. 2015. Geographic Distribution: Trimorphodon vilkinsonii (Texas lyresnake). Herpetological Review 46 (4): 578 - 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.
  • Werler, John E. & James R. Dixon 2000. Texas Snakes. University of Texas Press, 544 pages
 
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