Micrurus baliocoryphus (COPE, 1860)
Can you confirm these amateur observations of Micrurus baliocoryphus?
Micrurus baliocoryphus
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| Higher Taxa | Elapidae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes) |
| Subspecies | |
| 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). |
| Reproduction | oviparous |
| 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). |
| Comment | Venomous! 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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