Toothplates and skull bones from a dipnoan referred here to the genus Cteno
dus occur frequently in the tetrapod-bearing member of the mid Visean Ducab
rook Formation located near the type section at Ducabrook, near Springsure,
central Queensland. This is the first record of a Visean ctenodontid, and
of the genus Ctenodus, in Australia, in the East Gondwana region, and in th
e southern hemisphere.