Protorhamphosus

{{short description|Genus of fishes}}

{{Automatic taxobox

| fossil_range = {{fossilrange|59|56|Thanetian{{Cite journal |last=Sepkoski |first=Jack |year=2002 |title=A compendium of fossil marine animal genera |url=http://strata.ummp.lsa.umich.edu/jack/showgenera.php?taxon=611&rank=class |journal=Bulletins of American Paleontology |volume=364 |page=560 |access-date=2009-02-27}}}}

| taxon = Protorhamphosus

| authority = Daniltshenko 1968

}}

Protorhamphosus is an extinct genus of prehistoric bony fish that lived during the Thanetian stage of the Paleocene epoch.{{Cite journal |last=Sepkoski |first=Jack |year=2002 |title=A compendium of fossil marine animal genera |url=http://strata.ummp.lsa.umich.edu/jack/showgenera.php?taxon=611&rank=class |journal=Bulletins of American Paleontology |volume=364 |page=560 |access-date=2009-02-27}}