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Micrurus filiformis (GÜNTHER, 1859)

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Higher TaxaElapidae, Colubroidea, Alethinophidia, Serpentes, Squamata (snakes) 
Subspecies 
Common NamesSlender Coral Snake 
SynonymElaps filiformis GÜNTHER 1859
Micrurus filiformis — AMARAL 1925
Micrurus filiformis subtilis ROZE 1967
Micrurus filiformis — WELCH 1994: 83
Micrurus filiformis — WALLACH et al. 2014: 446 
DistributionS Colombia, N Brazil, N Peru, E Ecuador

filiformis: Amzonian region from S Colombia to N Peru

subtilis: NE Brazil (Amzonas) S/SE Colombia to NE Peru

Type locality: Para, 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. 
TypesHolotype: NHM 1946.1.20.13, adult male, (formerly BMNH 1946.1.20.13) from State of Pará, Brazil. 
CommentVenomous!

Diagnosis. An elongate and excessively thin-bodied species in which the elongate character of lemniscatus is exaggerated; with the lemniscatus head and body pattern, but with more numerous triads and a higher ventral count in both sexes [from SCHMIDT 1955].

Diagnosis. Micrurus filiformis can be distinguished from all congeners by having the following com- bination of characters: (1) slender body (diameter >5mm); (2) black snout with a white band above internasals, prefrontals, and first two pairs of supral- abials; (3) black band over most frontal and parietal shields; (4) red gular scales; (5) genials and first four pairs of infralabials uniformly black; (6) 11-23 body triads; (7) no supra-anal tubercles; (8) ventral scales 270-316 in males and 275-333 in females; (9) sub- caudal scales 33-45 in males and 30-41 in females (Figures 2 and 3) [from FEITOSA et al. 2007]. 
References
  • Campbell, J.A. & Lamar, W.W. 1989. The Venomous Reptiles of Latin America. Comstock Publishing/Cornell University Press, Ithaca
  • Feitosa, Darlan T., Paulo P. Passos and Ana Lúcia Prudente. 2007. Taxonomic status and geographic variation of the slender coralsnake Micrurus filiformis (Günther, 1859) (Serpentes, Elapidae). South American J. Herp. 2 (3): 149-156 - get paper here
  • Günther,A. 1859. On the genus Elaps of Wagner. Proc. Zool. Soc. London 1859: 79-89 - get paper here
  • Pedroza-Banda, Raúl; Jhon Jairo Ospina-Sarria, Teddy Angarita-Sierra, Marvin Anganoy-Criollo, John D. Lynch 2014. Estado de la fauna de anfibios y reptiles del Casanare Ciencias naturales Estado del conocimiento de la fauna de anfibios y reptiles del departamento de Casanare, Colombia. Rev. Acad. Colomb. Cienc. 38 (146): 17-34 - get paper here
  • Pérez-Santos,C. & Moreno, A.G. 1988. Ofidios de Colombia. Museo reegionale di Scienze Naturali, Torino, Monographie VI, 517 pp.
  • Santos-Costa, Maria Cristina dos; Gleomar Fabiano Maschio, Ana Lúcia da Costa Prudente 2015. Natural history of snakes from Floresta Nacional de Caxiuanã, eastern Amazonia, Brazil Herpetology Notes 8: 69-98 - get paper here
  • Schmidt, Karl P. 1936. Preliminary account of coral snakes of South America. Zoological Series of Field Museum of Natural History 20 (19): 189-203 - get paper here
  • Schmidt, Karl P. 1955. Coral snakes of the genus Micrurus in Colombia. Fieldiana Zoology 34 (34): 337-359 - get paper here
  • Silva, F.M.; A.C. Menks; A.L.C. Prudente; J.C.L. Costa; A.E.M. Travassos; U. Galatti. 2011. Squamate Reptiles from municipality of Barcarena and surroundings, state of Pará, north of Brazil. Check List 7 (3): 220-226
  • 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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