†family Sibyrhynchidae Zangerl and Case 1973 (cartilaginous fish)
Chondrichthyes - Iniopterygia - Sibyrhynchidae
Full reference: R. Zangerl and G. R. Case. 1973. Iniopterygia, a New Order of Chondrichthyan Fishes from the Pennsylvanian of North America. Fieldiana Geology Memoirs 6:1-67
Parent taxon: Iniopterygia according to A. Pradel 2010
See also Zangerl 1981
Sister taxa: Iniopterygidae, Inioxyle
Subtaxa: Iniopera Inioxyele Sibyrhynchus
Ecology: nektonic carnivore
Distribution: