Title:Tadpole morphology of Leptodactylus plaumanni (Anura: Leptodactylidae), with comments on the phylogenetic significance of larval characters in Leptodactylus
Title:Diversity and conservation status of the herpetofauna for an area from north of Hidalgo, Mexico / Diversidad y estado de conservación de la herpetofauna para un área del norte de Hidalgo, México