Abstract
Cylicospirura heydoni (Baylis) is redescribed, from what is assumed to be paratype material (Queensland) and from Dasyurus quoll (Tasmania) and Dasyurops maculatus (N.S. Wales). Cyathospirura dasyuridis, sp.nov., is described from the same host spp., from N.S.W. and Tasmania.Some specimens and some intact nodules were sent by Mr Green of Queen's Museum, Launceston, Tasmania. Skinned animals were given to me for dissection by Mr Peter Aitken, Curator of Mammals, at the South Australian Museum. To both of these collectors I am most grateful.Types of the new species will be deposited in the South Australian Museum.

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