Micrurus filiformis (GÜNTHER, 1859)
Can you confirm these amateur observations of Micrurus filiformis?
|Higher Taxa||Elapidae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)|
|Common Names||E: Thread coral snake, Slender Coral Snake|
|Synonym||Elaps filiformis GÜNTHER 1859|
Micrurus filiformis — AMARAL 1925
Micrurus filiformis subtilis ROZE 1967
Micrurus filiformis — WELCH 1994: 83
Micrurus filiformis — WALLACH et al. 2014: 446
Micrurus filiformis — NOGUEIRA et al. 2019
|Distribution||S Colombia, N Brazil, N Peru|
filiformis: Amzonian region from S Colombia to N Peru
subtilis: NE Brazil (Amzonas) S/SE Colombia to NE Peru
Type locality: Para, Brazil.
|Types||Holotype: BMNH 1918.104.22.168, adult male, (formerly BMNH 1922.214.171.124) from State of Pará, Brazil.|
|Diagnosis||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].
Distribution: Not in Ecuador fide Torres-Carvajal et al. 2019: 299 ff).
|Etymology||Latin from filum meaning thread and forma meaning shape or figure; thus filiformis means thread- like or in the form of a thread, describing well this slender species. Subtilis is a Latin word for slender or thin.|
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