| [parasite nematodes from dusycion griseus (gray, 1837), d. culpaeus (molina, 1782) and conepatus chinga (molina, 1782) (mammalia:carnivora) in neuquén, argentina. systematics and ecology]. | four nematode species (physaloptera clausa rudolphi, 1819; ph. maxillaris molin, 1860; protospirura numidica criceticola quentin, karimi and rodrigues de almeida, 1968; toxascaris leonina (von linstow, 1902) were collected from d. griseus, d. culpaeus and c. chinga in neuquen province, argentina. these hosts were captured from april to august in 1990 and 1991. ph. clausa and ph. maxillaris ar redescribed. the systematic position of ph. clausa is discussed and the authors conclude that this speci ... | 1994 | 7654286 |