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Echinanthera cyanopleura (COPE, 1885)

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Higher TaxaColubridae (Dipsadinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes) 
Subspecies 
Common Names 
SynonymAporophis cyanopleurus COPE 1885: 191
Echinanthera cyanopleura
Dromicus melanostigma - BOULENGER 1885
Liophis melanostigma - BOULENGER 1894
Leimadophis melanostigma - AMARAL 1930
Dromicus melanostigmus - LEMA 1980
Echinanthera cyanopleura — GIRAUDO & SCROCCHI 2002
Echinanthera cyanopleura — WALLACH et al. 2014: 253 
DistributionBrazil (Espirito Santo, Rio Grande do Sul, Minas Gerais, Rio de Janeiro, Sao Paulo, Parana, Santa Catarina),
Argentina (Misiones)

Type locality: Montenegro, Rio Grande do Sul, Brazil. Map legend:
TDWG region - Region according to the TDWG standard, not a precise distribution map.

NOTE: TDWG regions are generated automatically from the text in the distribution field and not in every cases it works well. We are working on it.
 
Reproductionoviparous 
TypesSyntypes: ANSP 11198-99 (2) 
CommentOriginal description from COPE (1885): The species of Aporophis (Cope, Proceeds. Amer. Philos. Soc. 1877, p. 18, Lygophis olim, nec. Fitzingeri = Philodryas) are sometimes referred to Dromicus and sometimes to Liophis. They may be readily distinguished from the latter genus by the absence of scale-fossae (sometimes called scale pores), while they differ from Dromicus in the shorter tail. This portion represents a fourth or a little more of the total length in Aporophis, and a third or mere in Dromicus. It is quite possible that the groups may have to be united in one genus in future, but I have not yet met with intermediate forms. The species of Aporophis known to me are : A. conirostris Gthr. ; A. lineatus Linn. ; A. dilepis Cope (This species differs from A. lineatus in color, and not only in its two pre-ocular plates, as supposed by Dr. Fischer); A. flavifrenatus Cope (= Coronella pulchella Jan.) ; A. anomalus Gthr. (= L. rutilus Cope) ; A.nicagus Cope ; A. undulatus Wied. (Dromicus Peters) ; A. juliae Cope ; A. melanocephalus Peters (Dromicus melanocephalus, Mo- natsber. Berl. Acad., 1863, 277 ; dentition not described). Aporophis only differs from Rlladin~a in its diacranterian dentition; a character which will probably prove to be not entirely constant.
The present species is quite nearly allied to the A. undulatus of Wied.
The scales are in seventeen rows, and those of the first row are longer than deep. The rostral plate is transverse, and its apex visible from above. The internasal and prefrontal pair are wider than long. The frontal is elongate and with parallel sides, and its length exceeds that of the muzzle in front of it, and equals that of the common occipital suture. The occipital plates are long, equaling the width between the posterior exterior angles of the superciliary plates. The loreal plate is higher than long. The single preocular reaches the summit of the front, but not the frontal plate. Two postoculars, each deeper than wide. Temporals 1-2-3. Superior labials eight, eye resting on fourth and fifth ; all longer than high, excepting the fifth. Inferior labials eight, fifth largest and in contact with postgeneials; all longer than deep. Postgeneials considerably longer than pregeneials. Total length, .805 ; length of head to rictus oris, .021; length of tail, .245. Gastrosteges, 150; urosteges, 88; anal divided.
Color above bluish olive, with a median dorsal brown band with ill-defined borders, of four scales in width. Sides, up to the front row of scales inclusive, dark slate blue, which forms a band from the canthus oris to the end of the tail, which extends also on the ends of the gastrosteges and urosteges. On the anterior third of the length in the larger specimen, and on the greater part of the body in the smaller, this part of the band isolates itself into dark round spots; on the upper edge of the lateral band every other scale has a pale spot in the centre. Head dark brown above. A black band passes through each eye from the end of the muzzle, and following the edge of the occipitals unites on the nape into a single median band which continues as the dorsal band. Belly yellow, gastrosteges bluish at the bases and edges, forming cross-lines.

Type species: Aporophis cyanopleurus COPE 1885: 191 is the type species of the genus Echinanthera COPE 1894. 
References
  • Bérnils, R.S.; Batista, M.A. & Bertelli, P.W. 2001. Cobras e lagartos do Vale: levantamento das espécies de Squamata (Reptilia, Lepidosauria) da Bacia do Rio Itajai, Santa Catarina, Brasil. Rev. Est. Ambientais (Blumenau) 3 (1): 69-79
  • Cope, E.D. 1885. Twelfth contribution to the herpetology of tropical America. Proc. Amer. Philos. Soc. 22: 167-194 [1884] - get paper here
  • Cope, E.D. 1894. The classification of snakes. The American Naturalist 28 (334): 831–844
  • 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
  • Giraudo, A. R., and G. J. Scrocchi 2002. Argentinian Snakes: An Annotated Checklist. Smithsonian Herp. Inf. Serv. (132): 1-53 - get paper here
  • Giraudo,A.R., Couturier,G.A. & Di Bernardo,M. 1996. Echinanthera cyanopleura (COPE 1885), a new record for the ophidiofauna of Argentina (Serpentes, Colubridae). Cuadernos de Herpetologia 10 (1-2): 72 - get paper here
  • Souza Filho, Gilberto Alves de; Fernanda Stender de Oliveira 2015. Squamate reptiles from Mauá Hydroelectric Power Plant, state of Paraná, southern Brazil. Check List 11 (6): 1800 - get paper here
  • Wallach, Van; Kenneth L. Williams , Jeff Boundy 2014. Snakes of the World: A Catalogue of Living and Extinct Species. Taylor and Francis, CRC Press, 1237 pp.
 
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