Ionoscopus

{{Short description|Extinct genus of ray-finned fishes}}

{{Automatic taxobox

| fossil_range =

| image = Ionoscopus_analibrevis.jpg

| image_caption = Ionoscopus analibrevis

| taxon = Ionoscopus

| authority = Costa, 1853

}}

Ionoscopus is an extinct genus of 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 |url-status=dead |archiveurl=https://web.archive.org/web/20110723131237/http://strata.ummp.lsa.umich.edu/jack/showgenera.php?taxon=611&rank=class |archivedate=2011-07-23 }}