Fraser, 1964 : Micrurus limbatus, a new coral snake from Veracruz, Mexico. Copeia vol. 1964, no 3, p. 570-573.
Perez-Higaredo & Smith, 1990 : The endemic coral snakes of the Los Tuxtlas region, southern Veracruz, Mexico. Bulletin of the Maryland Herpetological Society, vol. 26, p. 5.