Micrurus collaris (SCHLEGEL, 1837)
Can you confirm these amateur observations of Micrurus collaris?
|Higher Taxa||Elapidae, Colubroidea, Alethinophidia, Serpentes, Squamata (snakes)|
|Subspecies||Micrurus collaris collaris (SCHLEGEL 1837)|
Micrurus collaris breviventris ROZE & BERNAL-CARLO 1987
|Common Names||Guyana Blackback Coral Snake|
|Synonym||Elaps collaris SCHLEGEL 1837|
Hemibungarus collaris — BOULENGER 1896
Leptomicrurus collaris — SCHMIDT 1937
Micrurus collaris — ROMANO 1971
Micrurus collaris — LANCINI & KORNACKER 1989
Leptomicrurus collaris — WELCH 1994: 73
Leptomicrurus collaris — KORNACKER 1999
Micrurus collaris — SLOWINSKI 1995
Micrurus collaris — SLOWINSKI et al. 2001
Leptomicrurus collaris — KOK et al. 2003
Leptomicrurus collaris — CAMPBELL & LAMAR 2004: 129
Micrurus collaris — WALLACH et al. 2014: 444
|Distribution||Suriname, E Venezuela (Bolivar), Guyana, Brazil (Roraima, Amapa), French Guiana|
Type locality: unknown (fide STARACE 1998).
breviventris: Guyana: Type locality: Oko Mountains, Essequibo, Guayana.
|Types||Lectotype, RMNH 1444, a 404 mm male (S.J. Brugmans), designated by Brongersma, 1966: 250.|
Holotype: FMNH 26658 [breviventris]
|Comment||Not listed by GASC & RODRIGUES 1980.|
Max total length: 60 cm.
Type species: Elaps collaris SCHLEGEL 1837 is the type species of the genus Leptomicrurus SCHMIDT 1937.
The genus Leptomicrurus was erected by Schmidt (1937) to accomodate two species of exceptionally slender, short-tailed coralsnakes, L. collaris (Schlegel) and L. narduccii (Jan). These are distinguished from members of the genus Micrurus on the basis of having the mental scale in contact posteriorly with the anterior chinshields, and possessing a body pattern not including rings or bands. Leptomicrurus was interpreted variously with regard to L. collaris (Schmidt 1937, Brongersma 1966, 1967), and Schmidt’s genus was relegated to a junior synonym of Micrurus when specimens of Leptomicrurus with some complete rings and specimens of Micrurus with anterior chinshields in contact with the mental were discovered (Romano 1972). Leptomicrurus has been revalidated and its three species redefined (Roze and Bernal-Carlo 1988). We maintain the synonymy of Leptomicrurus as it nests within Micrurus (CASTOE et al. 2007). Castoe et al. did not synonymize it with Micrurus because “the larger plan was that eventually Micrurus would likely be split into multiple genera, ultimately rectifying Leptomicrurus”, which has not happened (T. Castoe, pers. comm. 7 Jan 2014).
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