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Tachymenis trigonatus (LEYBOLD, 1873)

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Higher TaxaColubridae (Dipsadinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Subspecies 
Common NamesE: False Tomodon Snake 
SynonymPelias trigonatus LEYBOLD 1873
Tomodon ocellatus BOULENGER 1896 (part.)
Pseudotomodon mendozinus KOSLOWSKY 1896: 455
Pseudotomodon crivellii PERACCA 1897
Tomodon ocellatus trigonatus — AMARAL 1929
Pseudotomodon trigonatus — SERIÉ 1936
Tomodon ocellatus trigonatus — ABALOS, BAEZ & NADER 1964
Pseudotomodon trigonatus — BAILEY 1970
Pseudotomodon trigonatus — PETERS & OREJAS-MIRANDA 1970
Pseudotomodon trigonatus — CEI 1993
Pseudotomodon trigonatus — GIRAUDO & SCROCCHI 2002
Pseudotomodon trigonatus — WALLACH et al. 2014: 608
Tachymenis trigonata — TREVINE et al. 2022 
DistributionW Argentina (Chubut, Rio Negro, Neuquén, La Pampa, Menodza, San Luis, San Juan, La Rioja, Córdoba, Santiago del Estero, Catamarca)

Type locality: Estancia Los Aguirre, Departamento San Carlos, Mendoza, Argentina.  
Reproductionovovivparous 
TypesHolotype: MNHNC?, a 400 mm specimen (F. Leybold, Feb. 1871).
Type: MSNTO R1663 [crivelli] 
Diagnosis 
CommentSynonymy after CEI 1993.

Type species: Pelias trigonatus LEYBOLD 1873 is the type species of the genus Pseudotomodon KOSLOWSKY 1896, now a synonym of Tachymenis. 
References
  • Abalos, J.W., Baez, E.C., & Nader, R. 1964. Serpientes de Santiago del Estero. Acta Zoologica Lilloana 20: 211-283
  • Amaral, A. do 1930. Estudos sobre ophidios neotropicos XVII. Valor systematico de varias formas de ophidios neotropicos. Mem. Inst. Butantan 4: 1-68 [1929] - get paper here
  • Avila, Luciano Javier 1997. Geographic Distribution. Pseudotomodon trigonatus. Herpetological Review 28 (2): 98 - get paper here
  • Cei, J. M. 1993. Reptiles del noroeste, nordeste y este de la Argentina. Museo Regionale Sci. Naturale Torino, Monografie 14: 1-949
  • Cruz,F.B., Schulte, J.B. & Bellagamba,P. 1999. New distributional records and natural history notes for reptiles from Southern Argentina. Herpetological Review 30 (3): 182 - get paper here
  • Giraudo, A. R., and G. J. Scrocchi 2002. Argentinian Snakes: An Annotated Checklist. Smithsonian Herp. Inf. Serv. (132): 1-53 - get paper here
  • Harvey, M.B. & Muñoz S., A. 2004. A new species of Tomodon (Serpentes: Colubridae) from high elevations in the Bolivian Andes. Herpetologica 60 (3): 364-372 - get paper here
  • Koslowsky,J. 1896. Sobre algunos reptiles de Patagonia y otras regiones argentinas. Revista Mus. La Plata 7: 447-457 - get paper here
  • Leybold, F. 1873. Excursión a las Pampas argentinas, Hojas de mi diario. Santiago, 108 pp. - get paper here
  • Minoli I, Morando M, Avila LJ 2015. Reptiles of Chubut province, Argentina: richness, diversity, conservation status and geographic distribution maps. ZooKeys 498: 103-126. doi: 10.3897/zookeys.498.7476 - get paper here
  • Pelegrin, N., Lara-Resendiz, R. A., Leao S. M. and Sanchez, J. M. 2020. Pseudotomodon trigonatus (false tomodon snake). Habitat. Herpetological Review 51: 154-155. - get paper here
  • Peracca, M.G. 1897. Sopra un nuovo genere di colubride opistoglifo della Repubblica Argentina. Bollettino dei Musei di Zoologia ed Anatomia comparata della R. Universita di Torino, 12 (278): 1-2 - get paper here
  • Scrocchi, G.J. 1997. Acerca de la localidad tipo de Bothrops ammodytoides Leybold (Serpentes, viperidae) y Pseudotomodon trigonatus (Leybold) (Serpentes: Colubridae). Cuadernos de Herpetologia 11 (1-2):69-70 - get paper here
  • Scrocchi, G.J.; Moreta, J.C. & Kretzschmar, S. 2006. Serpientes del Noroeste Argento [Jujuy, Salta, Tucumán, Catamarca, La Rioja, Santiago del Estero]. Fundación Miguel Lillo, Tucumán, 178 pp.
  • Scrocchi, Gustavo J.; Cristian S. Abdala,Javier Nori, Hussam Zaher 2010. Reptiles de la provincia de Río Negro, Argentina. Fondo Ed. Rionegrino, 249 pp.
  • Trevine, V. C., Grazziotin, F. G., Giraudo, A., Sallesbery‐Pinchera, N., Vianna, J. A., & Zaher, H. 2022. The systematics of Tachymenini (Serpentes, Dipsadidae): An updated classification based on molecular and morphological evidence. Zoologica Scripta - 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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