| porrorchis nickoli n. sp. (acanthocephala:: plagiorhynchidae) from mammals in southeastern mexico, first known occurrence of porrorchis in the western hemisphere. | porrorchis nickoli n. sp. is described from the intestine of the gray four-eyed opossum philander opossum (type host), the virginia opossum didelphis virginiana, the common opossum didelphis marsupialis, and the white-nosed coati nasua narica. hosts were collected in southeastern mexico in the los tuxtlas region of the state of veracruz (type locality) and in the states of tabasco and chiapas. this new species is distinguished from other porrorchis species by its small proboscis (0.286-0.428 mm ... | 2002 | 12058721 |