Osteorachis

{{Short description|Extinct genus of fishes}}

{{Automatic taxobox

| fossil_range =

| image = FOS274.jpg

| image_caption = An osteorachis fossil in the collections of the Museum of Natural History of Neuchâtel

| taxon = Osteorachis

| authority = Egerton, 1868

}}

Osteorachis is an extinct genus of prehistoric ray-finned fish.{{cite journal | last = Sepkoski | first = Jack | title = A compendium of fossil marine animal genera | journal = Bulletins of American Paleontology | volume = 364 |page=560 | year = 2002 | url = http://strata.ummp.lsa.umich.edu/jack/showgenera.php?taxon=611&rank=class | accessdate = 2009-02-27 }}