New species of Rhinebothrium Linton, 1890 (Cestoda: Rhinebothriidea) parasitic in Australian stingrays (Elasmobranchii: Batoidea)

Seven new species of the cestode genus Rhinebothrium Linton, 1890 are reported from the spiral intestines of batoid elasmobranchs from the coasts of Australia. The new species are: Rhinebothrium dasyatidis n. sp. from the smooth stingray Bathytoshia brevicaudata (Hutton) from Spencer Gulf, South Australia; Rhinebothrium bunburyense n. sp. from the southern eagle ray, Myliobatis tenuicaudatus Hector from off Bunbury, Western Australia; Rhinebothrium vandiemeni n. sp. from the reticulate whipray, Himantura australis Last, Naylor & Manjaji-Matsumoto from off Cape van Diemen, Northern Territory; Rhinebothrium fluviorum n. sp. from the estuary stingray, Hemitrygon fluviorum (Ogilby) from Moreton Bay, Queensland; Rhinebothrium urolophi n. sp. from the wide stingaree Urolophus expansus McCulloch from off Beachport, South Australia; Rhinebothrium nickoli n. sp. from the brown whipray Maculabatis toshi (Whitley) and the reticulate whipray, Himantura australis Last, Naylor & Manjaji-Matsumoto, from Nickol Bay, Western Australia and from the white-spotted guitarfish Rhynchobatus australiae (Whitley) from off Broome, Western Australia and Rhinebothrium fungiforme n. sp. from the estuary stingray, Hemitrygon fluviorum (Ogilby) from Fog Bay in the Northern Territory.