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Dibernardia poecilopogon (COPE, 1863)

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Higher TaxaColubridae (Dipsadinae, Echinantherini), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Common NamesPortuguese: Corredeira-de-Barriga-Vermelha, Corredeira-do-Mato-de-Barriga-Vermelha 
SynonymRhadinaea poecilopogon COPE 1863: 100
Dromicus affinis GÜNTHER 1858 (part.)
Dromicus melanocephalus PETERS 1863
Enicognathus elegans — JAN 1866
Coronella poecilopogon — BOULENGER 1885
Rhadinaea poecilopogon — BOULENGER 1894 (2): 173
Liophis poecilopogon — AMARAL 1930
Rhadinaea poecilopogon — PETERS & OREJAS-MIRANDA 1970
Rhadinaea poecilopogon — MYERS 1974: 215
Rhadinaea poecilopogon — FREIBERG 1982: 75
Echinantera poecilopogon — GIRAUDO & SCROCCHI 2002
Taeniophallus poecilopogon — MYERS & CADLE 1994
Rhadinaea poecilopogon — BAUER et al. 1995: 71
Taeniophallus poecilopogon — SCHARGEL et al. 2005
Taeniophallus poecilopogon — WALLACH et al. 2014: 697
Taeniophallus poecilopogon — NOGUEIRA et al. 2019
Taeniophallus poecilopogon — TOZETTI et al. 2023 
DistributionS Brazil (Rio de Janeiro, S Minas Gerais, Sao Paulo, Paraná, Santa Catarina, Rio Grande do Sul), Uruguay,
Argentina (Corrientes, Entre Rios, Misiones)

Type locality: Paysandú, Uruguay.  
TypesHolotype: USNM 31278 
DiagnosisDiagnosis: MYERS 1974: 215

Original description: Slender; head distinct elongate, convex; muzzle elongate, narrowly rounded. Scales narrow, in seventeen longitudinal rows. Tail more than one fourth of the total length. Superior head-plates normal, elongate, especially the vertical, which has straight outlines. Loreal nearly equilateral, encroaching on the single preocular, which does not reach the vertical. Two postoculars, superior larger; one temporal between fifth and sixth superior labials and occipital. Seven superior labials, eye cover third and fourth; postgeneials longer than pregeneials; nine inferior labials, fifth largest. Total length 39.66”, tail 10.66'' (Cope 1863: 100).

Coloration: Above olivaceous brown, each scale of the vertebral series with a black centre. End of gastrosteges and lateral scales to the edge of the fourth row, dark slate; a streak across the rostral plate through loreal "nd temporal region, and spreading in the posterior lower labials of the same color, yellow bordered above. Labials, mental and gular regions yellow, with blackish spots and vermiculations. A blackish spot on each end of every gastrostege anteriorly; posteriorly they become confluent with those of the sides. Abdomen yellow, immaculate (Cope 1863: 100). 
Commentbelongs to the “Rhadinaea brevirostris group” sensu Myers (1974). 
EtymologyNamed after Greek poikilos = colorful, spotted, divergent, and Greek pogon = tail, for the somehow unusually colored tail. 
  • Abegg AD, Santos AP Jr, Costa HC, Battilana J, Graboski R, Vianna FSL, Azevedo WS, Fagundes NJR, Castille CM, Prado PC, Bonatto SL, Zaher H and Grazziotin FG 2022. Increasing taxon sampling suggests a complete taxonomic rearrangement in Echinantherini (Serpentes: Dipsadidae). Front. Ecol. Evol. 10:969263 - get paper here
  • Bauer, A.M.; Günther,R. & Klipfel,M. 1995. The herpetological contributions of Wilhelm C.H. Peters (1815-1883). SSAR Facsimile Reprints in Herpetology, 714 pp.
  • Boulenger, G.A. 1886. A synopsis of the reptiles and batrachians of the province Rio Grande do Sul, Brazil. Ann. Mag. nat. Hist. (5) 18: 423-445 - get paper here
  • Carreira Vidal, Santiago 2002. Alimentación de los ofidios de Uruguay. Asoc. Herp. Esp., Monograf. Herp. 6, 127 pp. - get paper here
  • Carreira, S.; Brazeiro, A.; Camargo, A.; da Rosa, I.; Canavero, A. & Maneyro, M. 2012. DIVERSITY OF REPTILES OF URUGUAY: KNOWLEDGE AND INFORMATION GAPS. Bol. Soc. Zool. Uruguay (2a época) 21 (1-2): 9-29 - get paper here
  • Cope, E.D. 1863. Descriptions of new American Squamata in the Museum of the Smtihsonian Institution. Proc. Acad. Nat. Sci. Philadelphia 15 [1863]: 100-106 - get paper here
  • Di Bernardo,M. 1992. Revalidation of the gênero Rhadinaea Copegenus Echinanthera COPE 1894 and its conceptual amplification (Serpentes, Colubridae). Comun. Mus. Ciênc. PUCRS, sér. zool., Porto Alegre 5 (13): 225-256
  • di-Bernado, Marcos 1987. O género Rhadinea Cope, 1863, no Brasil meridional. I. Rhadinaea poecilopogon Cope, 1863 (Serpentes, Colubridae). Acta Biologica Leopoldensia 9 (2): 203-224
  • Etchepare, E.G & Zaracho, V.H. 2009. Serpentes, Colubridae, Taeniophallus poecilopogon (Cope, 1863): Rediscovery in Corrientes, Argentina, and natural history. Check List 5 (4): 770–773 - get paper here
  • Falcione, Camila; Cajade, Rodrigo; Barrasso, Diego Andrés; Nenda, Santiago Javier 2010. Taeniophallus poecilopogon (Cope, 1863) (Serpentes: Dipsadidae): Filling a gap on its known distribution in Argentina. Cuadernos de Herpetología 24 (2) - 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
  • Gonzalez R. C. et al. 2020. Lista dos Nomes Populares dos Répteis no Brasil – Primeira Versão. Herpetologia Brasileira 9 (2): 121 – 214 - get paper here
  • Jan, G. 1866. Iconographie générale des ophidiens. 16. Livraison. J.B. Bailière et Fils, Paris - get paper here
  • Linder, M D; Entiauspe-Neto, O M & Loebmann, D 2018. Taeniophallus poecilopogon (Cope's Forest Snake) Reproduction. Herpetological Review 49 (3): 557 - get paper here
  • Myers, C W. Cadle J E. 1994. A new genus for South American snakes related to Rhadinaea obtusa Cope (Colubridae) and resurrection of Taeniophallus Cope for the "Rhadinaea" brevirostris group. American Museum Novitates (3102): 1-33 - get paper here
  • Myers, C.W. 1974. The systematics of Rhadinaea (Colubridae), a genus of New World snakes. Bull. Amer. Mus. nat. Hist. 153 (1): 1-262 - get paper here
  • Nogueira, Cristiano C.; Antonio J.S. Argôlo, Vanesa Arzamendia, Josué A. Azevedo, Fausto E. Barbo, Renato S. Bérnils, Bruna E. Bolochio, Marcio Borges-Martins, Marcela Brasil-Godinho, Henrique Braz, Marcus A. Buononato, Diego F. Cisneros-Heredia, 2019. Atlas of Brazilian snakes: verified point-locality maps to mitigate the Wallacean shortfall in a megadiverse snake fauna. South American J. Herp. 14 (Special Issue 1):1-274 - get paper here
  • Outeiral, Arlete B.; Rafael L. Balestrin, Lize H. Cappellari, Thales de Lema, Vanda Lúcia Ferreira 2018. Snake assemblage from Serra do Sudeste, Pampa Biome in Southern Brazil. Herpetology Notes 11: 733-745 - get paper here
  • Schargel, Walter E., Gilson Rivas Fuenmayor and Charles W. Myers 2005. An Enigmatic New Snake from Cloud Forest of the Península de Paria, Venezuela (Colubridae: Genus Taeniophallus?). American Museum Novitates 3484:1-22. - 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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