A new species of (Nematoda, Ascaridomorpha) from the marine toad (Linnaeus) (Anura, Bufonidae) in Australia.

The marine toad (Linnaeus) (Anura, Bufonidae) is a notorious, exotic amphibian species in Australia. However, our present knowledge of the composition of the nematode fauna of is still not complete. In the present study, a new cosmocercid nematode, , was described using both light and scanning electron microscopy, based on specimens collected from in Australia. can be easily distinguished from its congeners by the body size, the presence of lateral alae and well sclerotized gubernaculum, the number and arrangement of plectanes and rosettes and the length of spicules, oesophagus and tail.