| orygmatobothrium spp. (cestoda: tetraphyllidea) from triakid sharks in argentina: redescription of orygmatobothrium schmitti and description of a new species. | two species of orygmatobothrium were found inhabiting triakid sharks collected from the coast of buenos aires province, argentina. orygmatobothrium schmittii from mustelus schmitti is redescribed, including new information on the microtrich pattern. orygmatobothrium juani n. sp. from mustelus fasciatus can be distinguished from all other species in the genus using the following combination of characters: worm length, number of proglottids, number of testes, testes distribution, size of eggs, orn ... | 2008 | 18576811 |