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Thamnophis lineri ROSSMAN & BURBRINK, 2005

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Higher TaxaColubridae (Natricinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes) 
Common Names 
SynonymThamnophis lineri ROSSMAN & BURBRINK 2005
Thamnophis lineri — WALLACH et al. 2014: 723
Thamnophis lineri — MATA-SILVA et al. 2015 
DistributionMexico (Oaxaca)

Type locality: Mexico, Oaxaca, Llano de las Flores, 2786 m elevation. Map legend:
TDWG region - Region according to the TDWG standard, not a precise distribution map.

NOTE: TDWG regions are generated automatically from the text in the distribution field and not in every cases it works well. We are working on it.
TypesHolotype: UTA R-12482, an adult male; collected 8 June 1983 by J. A. Campbell. 
CommentHabitat: pine-oak forest and pine-oak-madroño forest in the Sierra de Juárez portion of the Mesa del Sur in Oaxaca.

Diagnosis. Thamnophis lineri can be distinguished from all other Mexican species of the genus by the following combination of characteristics: (1) maximum DSR 17: (2) maxillary teeth 18-20; (3) top of head unpatterned; (4) two rows of relatively small black spots between light vertebral and lateral stripes; (5) nuchal blotches predominantly brown; (6) black bar along posterior suture of SL 5 frequently reduced or absent; (7) V averaging 140 in males, 136 in females; (8) SC averaging 62 in males, 55 in females; (9) tail of moderate length (mean T/TL 23.5% in males, 21.5% in females; (10) prefrontal suture usually slightly longer than internasal suture (mean PFL/INL 106%); (11) muzzle tip usually broad (mean INR/NR 116%); (12) anterior nasal usually shorter than posterior nasal (mean AN/PN 76%); (13) parietals usually of moderate length (mean FL/PL 80%); and (14) frontal usually very broad posteriorly (mean FWP/FWA 85%). 
EtymologyNamed after Ernest A. Liner (1925-2010). 
  • Heimes, P. 2016. Snakes of Mexico. Chimaira, Frankfurt, 572 pp
  • Mata-Silva, Vicente, Jerry D. Johnson, Larry David Wilson and Elí García-Padilla. 2015. The herpetofauna of Oaxaca, Mexico: composition, physiographic distribution, and conservation status. Mesoamerican Herpetology 2 (1): 6–62 - get paper here
  • Rossman, D.A. & Burbrink, F.T. 2005. Species limits within the Mexican garter snakes of the Thamnophis godmani complex. Occ. Papers Mus. Nat. Science (79): 1-43 - get paper here
  • Wallach, Van; Kenneth L. Williams , Jeff Boundy 2014. Snakes of the World: A Catalogue of Living and Extinct Species. Taylor and Francis, CRC Press, 1237 pp.
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