Description of Trichuris travassosi n. sp. (Nematoda:Trichurinae) from a brasilian rodent, by light and scanning electron microscopyGomesDelir CorrêaLanfredtiReinalda MarisaPintoRoberto MagalhãesSouzaWanderley de UFRJ, Instituto de Biofísica Carlos Chagas Filho, CCS. Departamento de Parasitologia e Biofísica Celular Rio de Janeiro Brasil 001992871110A new species of a trichurid nematode Trichuris travassosi n. sp., recovered from a wild rodent in the State of Rio Grande do Sul, Brazil, is described and compared to T. myocastoris (Enigk, 1933) and their differentiation was on the basis of detailed morphometrical study. Oryzomys nigripes (Olfers, 1818) is a new host record for the genus. The denomination spicular prepuce is proposed to designate the structure previously named spicular sheath and, conversely, spicular sheath to indicate the cuticle that convers the spicule.NematodaTrichuris travassosi n. sp.T. myocastorisrodentOryzomys nigripesBrazilFull text available only in PDF format.Texto completo disponível apenas em PDF.