| three new procamallanus (spirocamallanus) species from freshwater fishes in mexico. | the following 3 new species of procamallanus (spirocamallanus) are described from the intestines of freshwater fishes in mexico, all belonging to the morphological group characterized by the presence of wide caudal alae, 3 pairs of subventral preanal papillae, and unequal spicules in the male: procamallanus (spirocamallanus) jaliscensis n. sp. (type host: agonostomus monticola) and procamallanus (spirocamallanus) gobiomori n. sp. (hosts: gobiomorus maculatus [type host], gobiomorus polylepis and ... | 2000 | 10701574 |