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Trimetopon barbouri DUNN, 1930

IUCN Red List - Trimetopon barbouri - Data Deficient, DD

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Higher TaxaColubridae (Dipsadinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Common NamesE: Barbour's Tropical Ground Snake 
SynonymTrimetopon barbouri DUNN 1930
Trimetopon barbouri — VILLA et al. 1988
Trimetopon barbouri — WALLACH et al. 2014: 743 
DistributionPanama (Canal Zone), Costa Rica (Puntarenas)

Type locality: Pedro Miguel, Canal Zone.  
TypesHolotype: MCZ 23877 
DiagnosisDescription. Male: scales 15; ventrals 153; anal divided; caudals 58; oculars 1-2; temporals 1-1; two prefrontals; two nasals; supralabials 7, infralabials 8; third and fourth supralabials in contact with eye; four infralabials in contact with anterior chin shields; darkish, light below; no light collar; a stripe from eye to fifth and sixth labials; a stripe from parietal on second temporal and seventh labial; a light stripe on fifth scale row and upper half of fourth; first, second, and one-half of third rows lighter; length 260 mm., tail 65 mm (Dunn 1930: 331). 
EtymologyNamed after Thomas Barbour (1884-1946), Associate Curator of Reptiles and Amphibians (1923), and, later, Director (1927) of the Museum of Comparative Zoology at Harvard. 
  • Barquero-González, J.P., Stice, T.L., Gómez, G., & Monge-Nájera, J. 2020. Are tropical reptiles really declining? A six-year survey of snakes in a tropical coastal rainforest: role of prey and environment. Revista de Biología Tropical, 68(1): 336-343; doi:10.20944/preprints201908.0123.v1 - get paper here
  • Beolens, Bo; Michael Watkins, and Michael Grayson 2011. The Eponym Dictionary of Reptiles. Johns Hopkins University Press, Baltimore, USA - get paper here
  • Derry, Jane, Patty Ruback and Julie M. Ray. 2015. Range extension and notes on the natural history of Trimetopon barbouri Dunn, 1930 (Serpentes: Colubridae). Mesoamerican Herpetology 2 (1): 136–139 - get paper here
  • Dunn, E. R. 1930. New snakes from Costa Rica and Panamá. Occ. Pap. Boston Soc. Nat. Hist. 5: 329-332.
  • GOMEZ, G., T. STICE, A. SOLORZANO, AND M. SASA 2020. Geographic Distribution: Trimetopon barbouri (Barbour’s Pygmy Snake). Costa Rica: Puntarenas: Osa Canton. Herpetological Review 51: 83.
  • Köhler, G. 2008. Reptiles of Central America. 2nd Ed. Herpeton-Verlag, 400 pp.
  • Loveridge, Arthur 1946. Thomas Barbour, Herpetologist: 1884-1946. Herpetologica 3 (2): 33-39 - get paper here
  • Nuñez-Escalante, Raby; Jared Moreno Chinchilla, Isaac Pérez Acuña, Jeffrey González Espinoza 2021. A new locality for Barbour's Pygmy Snake (Trimetopon barbouri) in Costa Rica. Reptiles & Amphibians 28 (1): 104-105 - get paper here
  • O’Shea, M. 2018. The Book of Snakes. Ivy Press / Quarto Publishing, London, - get paper here
  • Ray, Julie M. and Patty Ruback 2015. Updated checklists of snakes for the provinces of Panamá and Panamá Oeste, Republic of Panama. Mesoamerican Herpetology 2 (2): 168-188 - 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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