Griphobilharzia amoena n. gen., n. sp. (Digenea: Schistosomatidae), a parasite of the freshwater crocodile Crocodylus johnstoni (Reptilia: Crocodylia) from Australia with the erection of a new subfamily, Griphobilharziinae. Journal of Parasitology, 77(1) 1991: 65-68. 65 [Zoological Record Volume 127]