Beveridge & Campbell 1987. Trimacracanthus gen. nov. (Cestoda: Trypanorhyncha: Eutetrarhynchidae), with descriptions of T. aetobatidis (Robinson, 1959) comb. nov. and T. binuncus (Linton, 1909) comb. nov. Transactions of the Royal Society of South Australia, 111(3-4) 1987: 163-171