Schizorhizidae

{{Short description|Extinct family of cartilaginous fishes}}

{{Automatic taxobox

| fossil_range = {{fossilrange/linked|Campanian|Maastrichtian|refs={{Cite journal |last1=Becker |first1=Martin A. |last2=Chamberlain Jr |first2=John A. |last3=Wolf |first3=George E. |date=2006 |title=Chondrichthyans from the Arkadelphia Formation (Upper Cretaceous: Upper Maasstrichtian) of Hot Spring County, Arkansas |url=https://www.researchgate.net/publication/250071119 |journal=Journal of Paleontology |volume=80 |issue=4 |pages=700–716|doi=10.1666/0022-3360(2006)80[700:CFTAFU]2.0.CO;2 }}}}

| taxon = Schizorhizidae

| authority = Kirkland & Aguillón-Martínez, 2002{{cite journal |last1=Kirkland |first1=J.I. |last2=Aguillón-Martínez |first2=M.C. |date=2002 |title=Schizorhiza: a unique sawfish paradigm from the Difunta Group, Coahuila, Mexico |journal=Revista Mexicana de Ciencias Geológicas |volume=19 |issue=1 |pages=16–24 |url=https://www.redalyc.org/articulo.oa?id=57219102}}

| subdivision_ranks = Genera

| subdivision =

• †Harranahynchus
• †Schizorhiza

}}

Schizorhizidae is an extinct family of cartilaginous fish from the Late Cretaceous belonging to the suborder Sclerorhynchoidei. This family contains the genera Harranahynchus and Schizorhiza.{{cite book |last=Kaddumi |first=H.F. |date=2009 |title=Fossils of the Harrana Fauna and the Adjacent Areas |publisher=Eternal River Museum of Natural History |pages=178–187 |chapter=A new genus and species of sawfishes (Chondrichthyes: Batoidea) from the late Maastrichtian sediments of Harrana}} It was originally named as a subfamily of Sclerorhynchidae, but was later raised to the rank of family.{{cite journal |last1=Greenfield |first1=T. |date=2021 |title= Corrections to the nomenclature of sawskates (Rajiformes, Sclerorhynchoidei) |journal=Bionomina |volume=22 |issue=1 |pages=39–41 |doi=10.11646/bionomina.22.1.3|s2cid=239067365 }}