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Porthidium dunni (HARTWEG & OLIVER, 1938)

IUCN Red List - Porthidium dunni - Least Concern, LC
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Higher TaxaViperidae, Crotalinae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Subspecies 
Common NamesE: Dunn's Hognose Viper
S: Vibora Chata 
SynonymTrimeresurus dunni HARTWEG & OLIVER 1938: 6
Bothrops dunni HARTWEG & OLIVER 1938
Trimeresurus dunni — SMITH 1941: 62
Bothrops dunni — VILLA et al. 1988
Porthidium dunni — LINER 1994
Porthidium dunni — MCDIARMID, CAMPBELL & TOURÉ 1999: 320
Porthidium dunni — WALLACH et al. 2014: 576
Porthidium dunni — MATA-SILVA et al. 2015 
DistributionMexico (coastal plain of Oaxaca, W Chiapas)

Type locality: “in a milpa in the immediate vicinity of the village of Tehuantepec”  
Reproductionovovivparous 
TypesHolotype: UMMZ 82732, female; paratypes: UMMZ (9 males, 11 females) 
DiagnosisAdditional details, e.g. a detailed description or comparisons (1938 characters), are available for collaborators and contributors. Please contact us for details. 
CommentVenomous!

Habitat: terrestrial

Synonymy: Trimeresurus (= Porthidium) dunni has been reported on in literature as Bothrops (Bothriopsis) brachystoma, Sumichrast (1882: 287); Bothriechis lansbergi, Günther, part (1895: 190); Bothriopsis brachystoma, Cope, part (1887: 89); Lachesis brachystoma, Boulenger, part (1896: 547); Bothrops lansbergi, Amaral, part (1927: 22; 1929: 21-23) ; and Dunn, part (1928: 29-30), fide Hartweg & Oliver 1938. 
EtymologyNamed after Emmett Reid Dunn (1894-1956) [obituary in Schmidt 1957: 75]. 
References
  • Aguilar-López JL, Luría-Manzano R, Pineda E, Canseco-Márquez L 2021. Selva Zoque, Mexico: an important Mesoamerican tropical region for reptile species diversity and conservation. ZooKeys 1054: 127-153 - 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
  • Campbell, J. A. 1976. A new terrestrial pit viper of the genus Bothrops (Reptilia, Serpentes, Crotalidae) from western México. Journal of Herpetology 10: 151-160. - get paper here
  • Campbell, J.A. & Lamar, W.W. 1989. The Venomous Reptiles of Latin America. Comstock Publishing/Cornell University Press, Ithaca
  • Casas-Andreu, G., F.R. Méndez-De la Cruz and X. Aguilar-Miguel. 2004. Anfibios y Reptiles; pp. 375–390, in A.J.M. García-Mendoza, J. Ordoñez and M. Briones-Salas (ed.). Biodiversidad de Oaxaca. Instituto de Biología, UNAM-Fondo Oaxaqueño para la Conservación de la Naturaleza-World Wildlife Fund, México, D. F.
  • Hartweg, N., & OLIVER, J. A. 1938. A contribution to the herpetology of the isthmus of Tehuantepec. III. Three new snakes from the Pacific slope. Occ. Pap. Mus. Zool. Univ. Michigan (390): 1-8 - get paper here
  • Heimes, P. 2016. Snakes of Mexico. Chimaira, Frankfurt, 572 pp
  • Johnson, Jerry D.; Vicente Mata-Silva, Elí García Padilla, and Larry David Wilson 2015. The Herpetofauna of Chiapas, Mexico: composition, distribution, and conservation. Mesoamerican Herpetology 2 (3): 272–329. - get paper here
  • Mata-Silva, Vicente, Arturo Rocha, Dominic L. DeSantis, Elí García-Padilla and Larry David Wilson. 2016. Nature Notes. Porthidium dunni (Hartweg and Oliver, 1938). Arboreality. Mesoamerican Herpetology 3 (1): 156–157 - get paper here
  • 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
  • McDiarmid, R.W.; Campbell, J.A. & Touré,T.A. 1999. Snake species of the world. Vol. 1. [type catalogue] Herpetologists’ League, 511 pp.
  • Schmidt, K.P. 1957. Emmett Reid Dunn, 1894-1956. Copeia 1957 (2): 75-77 - get paper here
  • Smith, H.M. 1941. Notes on Mexican snakes of the genus Trimeresurus. Zoologica 26: 61-64. - 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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