| molecular characterization of pouched amphistome parasites (trematoda: gastrothylacidae) using ribosomal its2 sequence and secondary structures. | members of the family gastrothylacidae (trematoda: digenea: paramphistomata) are parasitic in ruminants throughout africa and asia. in north-east india, five species of pouched amphistomes, namely fischoederius cobboldi, f. elongatus, gastrothylax crumenifer, carmyerius spatiosus and velasquezotrema tripurensis, belonging to this family have been reported so far. in the present study, the molecular phylogeny of these five gastrothylacid species is derived using the second internal transcribed sp ... | 2011 | 21473796 |