| Higher Taxa | Elapidae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes) |
| Subspecies | |
| Common Names | E: Trinidad Ribbon Coral Snake
S: Coral Acintada Trinitaria
S: Cobra Coral de Faixas de Trinidad |
| Synonym | Micrurus lemniscatus diutius BURGER 1955
Micrurus lemniscatus diutius — GASC & RODRIGUES 1980
Micrurus lemniscatus diutius — WELCH 1994: 85
Micrurus lemniscatus diutus [sic] — STARACE 1998: 361
Micrurus lemniscatus diutius — GORZULA & SEÑARIS 1999
Micrurus lemniscatus diutius — BARRIO-AMOROS et al. 2003
Micrurus lemniscatus diutius — FROTA et al. 2005
Micrurus lemniscatus diutius — FEITOSA et al. 2007
Micrurus diutius — STARACE 2013: 502
Micrurus diutius — JOWERS et al. 2019
Micrurus diutius — NOGUEIRA et al. 2019
Micrurus diutius — PIRES et al. 2021: 69 |
| Distribution | Trinidad, E Venezuela (incl. Carabobo), C Guianas / Guyana, Brazil (Roraima, Amapá, Amazônas, Pará fide Costa & Bérnils 2018; Nogueira et al., 2019)
Type locality: “Tunapuna, Trinidad”
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| Reproduction | oviparous. |
| Types | Holotype: FMNH 34472, male; paratypes: Carnegie Museum 7925 (from Cumanacoa, Sucre, Venezuela) and INHS (= UIMNH) 22626, adult male, from Hoso Rora, near Morawhanna, Northeast District, British Guiana |
| Diagnosis | Diagnosis: Micrurus diutius can be distinguished from all other triadal species of Micrurus by the following combination of morphological characters: black snout (rostral, internasals, anterior border of prefrontals, most of nasals, and 1–2 supralabials); white preocular transverse band covers most of prefrontals, anterior border of supraoculars, most of preoculars, and 1–2 supralabials; black cephalic cap includes most of frontal, supraoculars, postoculars, anterior 1⁄3 of parietals, 1⁄3–1⁄2 of temporals, and 2–3 supralabials; remainder of the head red, with or without black-tipped scales; venter of head red; irregular black markings on gulars, and infralabials highly variable; 1st triad separated from parietals by 2–7 scales; middle black ring slightly longer or same length as outer ones; white rings usually shorter than outer black rings; red rings shorter than entire triad or even middle black ring; red and white rings usually black-tipped, but with tendency to a less melanic pattern (Fig. 43C); and 6–16 body triads and 1 1⁄3 –12⁄3 tail triads (Pires et al. 2021: 69). |
| Comment | Synonymy: Wallach et al. 2014: 448 listed this species as synonym of Micrurus lemniscatus. |
| Etymology | From the latin “diutius”, meanning too long. From the point of view of potential victims, a meter-long venomous snake is certainly too long (Burger 1955: 40). |
| References |
- Barrio Amorós, César Luis and Daniel Calcaño 2003. First record of Micrurus lemniscatus (Linnaeus, 1758) from western Venezuela with comments on coral snakes from the eastern Andean piedmont (Squamata: Serpentes: Elapidae). Herpetozoa 16 (1/2):73-78 - get paper here
- Burger, W.L. 1955. A new subspecies of the coral snake Micrurus lemniscatus from Vénézuela, British Guiana and Trinidad, and a key for the identification of associated species of coral snakes. Bol. Mus. Cienc. Nat. Caracas 1: 35-40
- Costa, Henrique Caldeira; Renato Silveira Bérnils 2018. Répteis do Brasil e suas Unidades Federativas: Lista de espécies. Herpetologia Brasileira 7 (1): 11-57
- 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
- Frota, J.G. da; Pedroso dos Santos-Jr, Alfredo; Menezes-Chalkidis, H. de & Guimarães Guedes, A. 2005. AS SERPENTES DA REGIÃO DO BAIXO RIO AMAZONAS, OESTE DO ESTADO DO PARÁ, BRASIL (SQUAMATA). Biociências 13 (2): 211-220 - get paper here
- Gasc & Rodrigues 1980. Liste preliminaire des Serpents de la Guyane francaise. Bull. Mus. Nat. Hist. Nat. Paris 2 (4): 559-598
- Gorzula, Stefan & Senaris, J. Celsa 1999. In: Contribution to the herpetofauna of the Venezuelan Guayana. I: a data base. Scientia Guaianae, Caracas, No. 8 [1998], 269+ pp.; ISBN 980-6020-48-0
- Hurtado-Gómez, J. P.; Ramírez, M. V., Gómez, F. J. R., Fouquet, A., & Fritz, U. 2021. Multilocus phylogeny clarifies relationships and diversity within the Micrurus lemniscatus complex (Serpentes: Elapidae). Salamandra 57 (2): 229-239
- Jowers MJ, Garcia Mudarra JL, Charles SP, Murphy JC. 2019. Phylogeography of West Indies Coral snakes (Micrurus): Island colonisation and banding patterns. Zoologica Scripta 48: 263– 276
- Murphy, John C.; John C. Weber, Michael J. Jowers, and Robert C. Jadin 2023. Two Islands, Two Origins: The Snakes of Trinidad and Tobago. In: Lillywhite & Martins, eds., Islands and snakes, vol. II. Oxford University Press, p. 81 ff - get paper here
- Nogueira, Cristiano C.; Antonio J.S. Argôlo, Vanesa Arzamendia, Josué A. Azevedo, Fausto E. Barbo, Renato S. Bérnils, Bruna E. Bolochio, Marcio Borges-Martins, Marcela Brasil-Godinho, Henrique Braz, Marcus A. Buononato, Diego F. Cisneros-Heredia, 2019. Atlas of Brazilian snakes: verified point-locality maps to mitigate the Wallacean shortfall in a megadiverse snake fauna. South American J. Herp. 14 (Special Issue 1):1-274 - get paper here
- Pires, Matheus Godoy; Darlan Tavares Feitosa, Felipe G. Grazziotin, Ana Lúcia da Costa Prudente, Nelson Jorge da Silva, Jr., and Hussam Zaher 2021. CHAPTER 2. HISTORICAL AND TAXONOMIC RELEVANCE OF COLUBER LEMNISCATUS LINNAEUS, 1758. In: Nelson Jorge da Silva Jr. et al. (eds.) Advances in Coralsnake Biology. Eagle Mountain Publishing, pp. 37-96 - get paper here
- Starace, Fausto 1998. Guide des Serpents et Amphisbènes de Guyane. IBIS Rouge Editions, Guadeloupe, Guyane, 450 pp.
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