%0 Journal Article %T Urocleidoides astyanacis n. sp. (Mongenva ancyrocephalinae) from frescwater characidians on the genus Astyanax %A Gioia %A Ismael %A Cordeiro %A Nelson da Silva %A Artigas %A Paulo de Toledo %J Mem¨®rias do Instituto Oswaldo Cruz %D 1988 %I Instituto Oswaldo Cruz, Minist¨¦rio da Sa¨²de %R 10.1590/S0074-02761988000100002 %X a new species of urocleidoides, u. astyanacis (monogenea, ancyrocephalinae) is described from the "lambari" astyanax scabripinnis (jenyns, 1842) and a. fasciatus (cuvier, 1819). hosts were collected in atibaia and jaguari rivers near campinas, s£¿o paulo state, brazil. %K monogenea %K ancyrocephalinae %K urocleidoides %K astyanax %K gill parasite. %U http://www.scielo.br/scielo.php?script=sci_abstract&pid=S0074-02761988000100002&lng=en&nrm=iso&tlng=en