The recently discovered Nefudina qalibahensis is known from Northeastern Saudi Arabia. Asterosteus stenocephalus is known from Mid Devonian Ohio. Another species of rhenanid was Bolivosteus chacomensis, of the Lower to Middle Devonian Malvinokaffric Fauna of Western Gondwana, in what is now Bolivia, South America.
The recently discovered Nefudina qalibahensis is found in Northeastern Saudi Arabia. Asterosteus stenocephalus is known from Mid Devonian Ohio. Another rhenanid species, Bolivosteus chacomensis, was found in the Lower to Middle Devonian Malvinokaffric Fauna of Western Gondwana.