| trichinella patagoniensis n. sp. (nematoda), a new encapsulated species infecting carnivorous mammals in south america. | until a few years ago, trichinella spiralis was the only taxon of the genus trichinella detected in both domestic and wild animals of south america. recently, a new genotype, named trichinella t12, was identified in cougars (puma concolor) from argentina, on the basis of molecular studies using mitochondrial and nuclear ribosomal markers. in the present study, cross-breeding experiments indicated that trichinella t12 is reproductively isolated from all other encapsulated trichinella spp. and sug ... | 2012 | 22921601 |