A new species of triadal coral snake of the genus Micrurus Wagler, 1824 (Serpentes: Elapidae) from northeastern Brazil Author Pires, Matheus Godoy Author Jr, Nelson Jorge Da Silva Author Feitosa, Darlan Tavares Author Prudente, Ana Lúcia Da Costa Author Filho, Gentil Alves Pereira Author Zaher, Hussam text Zootaxa 2014 3811 4 569 584 journal article 45579 10.11646/zootaxa.3811.4.8 42986f6d-c168-4da9-9b28-0219143ecde2 1175-5326 229380 4DE1AB80-89A0-40A5-9EBE-30DDF30F5037 Key to species of the triadal group of Micrurus from northeastern Brazil 1a. Black snout; gular region with a black horseshoe shaped coloration over the infralabials and first genials; 23 to 39 subcaudal scales in males and 24 to 38 in females....................................................................2 1b. White snout with or without black markings; white gular region, sometimes with black markings on the genials; 17 to 33 subcaudal scales in males and 14 to 36 in females............................................................... 3 2a. Parietals entirely black; eyes wider than the half of their distance from the border of the mouth; head broader than neck; middle black rings shorter or of the same length as the external black rings.............................. Micrurus potyguara 2b. Posterior 1/3 to ½ of the parietals red; eyes smaller than half of their distance from the border of the mouth; head width indistinct from neck; middle black rings equal or longer than the external black rings................ M. lemniscatus carvalhoi 3a. White snout, preocular transversal white band; gular region with black markings on the genials; white rings equal or slightly shorter than the external black rings............................................................. M. ibiboboca 3b. White snout with varying degree of black on scales; white gular region; white rings longer than the external black rings.............................................................................................. M. brasiliensis