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Ophryacus sphenophrys (SMITH, 1960)

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Higher TaxaViperidae, Crotalinae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Subspecies 
Common NamesE: Broad-horned Pitviper 
SynonymBothrops sphenophrys SMITH 1960: 267
Ophryacus sphenophrys — GRÜNWALD et al. 2015 
DistributionMexico (Oaxaca)

Type locality: Mexico: El Soledad, Oaxaca.  
Reproduction 
TypesHolotype: INHS (= UIMNH) 6262, W.L. Burger; July 22, 1949 
DiagnosisDiagnosis: Supraocular protuberant, wedgeshaped, hornlike, base almost twice as long as projecting part; subcaudals divided, 57; ventrals 171; two rows of scales between orbit and labials; ten scales across top of head between supraocular horns; scales bordering pit ventrally in contact with labials; pattern of two rows of dark paired rectangular spots on each side of body.


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CommentVenomous!

Habitat: forests 
EtymologyNot given by Smith 1960 but apparently after the Greek “sphenos” = cuneiform, wedge, referring to the shape of its supraocular, and Greek “ophrys” = eye brow, forehead (see also genus name!). 
References
  • Grünwald, Christoph I.; Jason M. Jones, Hector Franz-Chávez, and Iván T. Ahumada-Carrillo 2015. A new species of Ophryacus (Serpentes: Viperidae: Crotalinae) from eastern Mexico, with commentson the taxonomy of related pitvipers. Mesoamerican Herpetology 2 (4): 388 - get paper here
  • OLIVEIRA-DALLAND, LUIS G.; LAURA R.V. ALENCAR, LEANDRO R. TAMBOSI, PAOLA A. CARRASCO, RHETT M. RAUTSAW, JESUS SIGALA-RODRIGUEZ, GUSTAVO SCROCCHI & MARCIO MARTINS. 2022. Conservation gaps for Neotropical vipers: Mismatches between protected areas, species richness and evolutionary distinctiveness. Biological Conservation 275(109750). - get paper here
  • Smith, H. M. 1960. New and noteworthy reptiles from Oaxaca, Mexico. Transactions of the Kansas Academy of Science 62: 265–271
 
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