Salas-Montiel, R., Phillips, A. J., de Leon, G. P.-P. and Oceguera-Figueroa, A. (2014) “Description of a new leech species of Helobdella (Clitellata: Glossiphoniidae) from Mexico with a review of Mexican congeners and a taxonomic key”, Zootaxa. Auckland, New Zealand, 3900(1), pp. 77–94. doi: 10.11646/zootaxa.3900.1.4.