New host and locality records for three species of Glypthelmins (Digenea :Macroderoididae) in anurans of Mexico

During an inventory of the helminth parasites of amphibians from several lo calities in Mexico, trematode parasites of the genus Glypthelmins from 5 sp ecies of frogs were studied. Three species of Glypthelmins were collected f rom Rana montezumae, Rana dunni, Rana neovolcanica, Rana megapoda, and Rana vaillanti. New host and locality records for Glypthelmins quieta and Glypt helmins californiensis in anurans from Mexico are established, and we repor t Glypthelmins facioi for the first time from R. vaillanti from Los Tuxtlas , Veracruz State. Diagnostic characters for each parasite species and siste r-group relationships are presented.