Pseudocryptogonimus pakistanensis n. gen., n. sp. (Trematoda: Cryptogonimidae) from the fish Labeo rohita.

Abstract

Pseudocryptogonimus pakistanensis n.g., n. sp., is described from freshwater fish Labeo rohita from Kalri Lake, Sind, Pakistan. It is characterised by possessing spines at the basal margin of oral sucker; testes, postequatorial, subsymmetrical; vitellaria lateral to ovary in middle of hindbody, confluent in postovarian region and reaching to level of testes; ovary flattened; genital pore antero-lateral to acetabulum; seminal vesicle large and ejaculatory duct long. Subfamily Neochasminae Van Cleave et Mueller, 1932 is being emended.