Syphacia(Syphacia) Abertoni N. SP. (Nematoda: Oxyuridae) from Zyzomysargurus(Thomas)(Rodentia: Muridae)from Northern Australia

Summary Syphacia (Syphacia) abertoni n. sp. (Nematoda: Oxyuridae) is described from the caecum of Zyzomys argurus (Thomas, 1889) (Rodentia: Muridae) from two locations in northern Australia: Mount Isa, Queensland and Coomalie Creek, Northern Territory. Syphacia abertoni is distinguished from other members of the genus by the presence of cervical alae, an elongated oval cephalic plate, size of eggs, and lengths of spicule and gubernaculum.