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Coniophanes taeniata (PETERS, 1870)

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Higher TaxaColubridae (Dipsadinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Subspecies 
Common NamesE: Cope's Black-striped Snake
G: Schwarzstreifennatter 
SynonymTachymenis taeniata PETERS 1870: 876
Coniophanes taeniata — PALCIOS-AGUILAR & FLORES-VILLELA 2020 
DistributionMexico (Oaxaca, Veracruz, Quéretaro, Tamaulipas, San Luis Potosí, Hidalgo)

Type locality: restricted to Puebla by Smith & Taylor, 1945.  
Reproductionoviparous 
TypesHolotype: ZMB 6672 
DiagnosisDiagnosis: A medium-sized snake (maximum SVL 451 mm), with usually 23-25-19 dorsal scale rows; 154-168 ventral scales (154-164 males, 165-168 females); 78-91 subcaudal scales (83-91 males, 78-89 females); 241-246 segmental counts (241-246 males, 244-246 females); dorsal colouration consisting in dark stripes; light spots present on the nape; lack of a continuous dark stripe from the anterior margin of the eye to the tip of the snout; a robust maxillary bone with an anterior maxillary process enlarged towards the base; a bilobed and capitated hemipenis with long-papillated calyces at the capitullum. The geographic distribution is from southern Tamaulipas, Mexico southwards to the Atlantic versant of Oaxaca, including the states of Tamaulipas, San Luis Potosí, Querétaro, Hidalgo, Veracruz and Oaxaca (former records from Puebla were due to the wrong definition of the type locality of this taxon, but might be present in the Atlantic lowlands of the state as well). (R. Palacios-Aguilar, pers. comm., 12 April 2020). 
CommentSynonymy: Palacios-Aguilar & Flores-Villela 2020 revalidate C. taeniata (Peters 1870), (formerly considered a synonym of C. piceivittis) for the populations on the Atlantic versant.

Publication dates: Cope's paper was published on February 18th, 1870 according to Osborn 1930. This date is few weeks after Peters (1869 [1870]) published the name Tachymenis taeniata (Bauer et al. 1995), heence the latter has priority.

Distribtion: See map in Palacios-Aguilar & Flores-Villela 2020: 119 (Fig. 6). 
References
  • Palacios-Aguilar, Ricardo; Oscar Flores-Villela 2020. Taxonomic revision and comments on two groups of the genus Coniophanes (Squamata: Dipsadidae). Vertebrate Zoology 70 (2): 111–124 - get paper here
  • Peters, Wilhem Carl Hartwig 1870. Über mexicanische Amphibien, welche Hr. Berkenbusch in Puebla auf Veranlassung des Hrn. Legationsraths von Schlözer dem zoologischen Museum zugesandt hat. Monatsber. königl. Akad. Wiss. Berlin. 1869 (December): 874-881 - get paper here
 
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