Micrurus baliocoryphus (COPE, 1860)
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|Higher Taxa||Elapidae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)|
|Common Names||E: Mesopotamian coral snake|
|Synonym||Elaps baliocoryphus COPE 1860: 346|
Micrurus frontalis mesopotamicus BARRIO & MIRANDA 1967
Micrurus frontalis baliocoryphus — HOGE & ROMANO 1979
Micrurus frontalis mesopotamicus — CEI 1993
Micrurus frontalis baliocoryphus — WELCH 1994: 83
Micrurus frontalis baliocoryphus — ROZE 1994
Micrurus baliocoryphus — DA SILVA & SITES 1999: 162
Micrurus baliocoryphus — CAMPBELL & LAMAR 2004: 209
Micrurus baliocoryphus — DI BERNARDO et al. 2007
Micrurus baliocoryphus — WALLACH et al. 2014: 442
|Distribution||Argentina (Entre Rios, Correintes, SW Misiones), Paraguay (fide Paul Smith, pers. comm., 27 Apr 2014)|
Type locality: Buenos Aires, Argentina. Corrected to Villa Federal, Entre Ríos, Argentina (type locality of M. frontalis mesopotamicus) by Roze (1983).
|Types||Holotype: ANSP 6842|
Holotype: MACN 1823, male; paratypes: MACN [mesopotamicus]
|Diagnosis||Diagnosis: Micrurus baliocoryphus is a triadal coralsnake with a white snout with most of the scales bordered by black, including the first 3-4 supralabials. Sometimes the prefrontals are completely white with a few little black markings. The head is black with (the vast majority of our sample) or without a white band between the parietals and frontal and supraoculars. The remainder of the head is red, including the posterior 3-4 infralabials with all scales black-tipped (Figs. 15-17). Inferiorly, the chin is white, ranging from the mental and first 2 infralabials to the anterior genials and first 3 infralabials. All the scales have irregular black markings with a strong tendency to melanism. The posterior part is red rarely with black markings. The triads have a fixed character of the middle black ring at least twice as long as the external ones and immaculate white rings. The red rings are always black-tipped. Triads range from 9 to 16 (from Silva & Sites 1999: 162).|
Distribution: apparently not known from Brazil (Campbell & Lamar 2004, Da Silva & Sites, 1999).
|Etymology||Greek from “bali-” meaning spotted and “coryph” meaning head; baliocoryphus, meaning snake with spotted head, alluding to the red and black head. Mesopotamicus alludes to its distribution in the Argentinean mesopotamic region in Entre Rios.|
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