| a new allocreadiid (trematoda) species from freshwater fish heterandria bimaculata (teleostei: poeciliidae) in southeastern mexico. | paracreptotrema heterandriae n. sp. (trematoda: allocreadiidae) is described from the intestine of the freshwater fish heterandria bimaculata (teleostei: poeciliidae) from the upper basin of río la antigua, in veracruz, mexico. the new species is distinguished from the 3 others in the paracreptotrema choudhury, pérez-ponce de león, brooks, and daverdin, 2006 , mainly by having a feeble membranous cirrus sac containing an uncoiled seminal vesicle, instead of a well-developed muscular cirrus sac t ... | 2012 | 22059430 |