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Dipsas praeornata (WERNER, 1909)

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Higher TaxaColubridae (Dipsadinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes) 
Subspecies 
Common Names 
SynonymLeptognathus praeornata WERNER 1909: 240 (fide PETERS 1960)
Dipsas praeornata — HARVEY et al. 2008
Dipsas praeornata — RIVAS et al. 2012
Dipsas praeornata — WALLACH et al. 2014: 234 
DistributionVenezuela (Aragua, Distrito Federal, Libertador, Miranda).

Type locality: "Venezuela."  
Reproduction 
TypesHolotype: lost, formerly ZMH, female (R. Rauschenplat), destroyed in July 1943 during World War II. 
DiagnosisDiagnosis: HARVEY & EMBERT 2009.
 
CommentSynonymy: Amaral (1929) synonymized L. praeornata Werner, 1909, from Venezuela, with Sibynomorphus incertus (= Dipsas incerta). PETERS 1960 listed Leptognathus praeornata as a synonm of L. peruana. Harvey and Embert (2009) resurrected the name D. praeornata for the Venezuelan Coastal Range population and relegated D. latifrontalis to a synonym of D. peruana.

Dipsas praeornata is possibly a nomen dubium, because the description is impossible to assign it or separate it from some kind of Dipsas, in fact, it is very similar to Dipsas variegata (Luis Esqueda, pers. comm., 10 July 2018). 
EtymologyD. peruana has been named after its type locality, D. boettgeri after Oskar Boettger (1844-1910), herpetologist at the Senckenberg Museum in Frankfurt am Main. 
References
  • Harvey, Michael B. 2008. New and Poorly Known Dipsas (Serpentes: Colubridae) from Northern South America. Herpetologica 64 (4): 422-451 - get paper here
  • Harvey, Michael B. and Dirk Embert 2009. Review of Bolivian Dipsas (Serpentes: Colubridae), with Comments on Other South American Species. Herpetological Monographs 22 (1): 54-105 - get paper here
  • Peters , J. A. 1960. The snakes of the subfamily Dipsadinae. Misc. Publ. Mus. Zool., Univ. Michigan (114): 224 pp. - get paper here
  • RIVAS, GILSON A.; CÉSAR R. MOLINA, GABRIEL N. UGUETO, TITO R. BARROS, CÉSAR L. BAR- RIO-AMORÓS & PHILIPPE J. R. KOK 2012. Reptiles of Venezuela: an updated and commented checklist. Zootaxa 3211: 1–64 - 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.
  • Werner,F. 1909. Über neue oder seltene Reptilien des Naturhistorischen Museums in Hamburg. Jahrb. Hamb. wiss. Anst. suppl. 2 (Mitt. Naturhist. Mus. Hamb. 1908) 26: 205-247 - get paper here
 
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