Arabosteus

{{Short description|Extinct genus of fishes}}

{{Speciesbox

| fossil_range = Early Devonian

| image = Arabosteus_variabilis.jpg

| genus = Arabosteus

| parent_authority = Olive et al., 2011

| species = variabilis

| authority = Olive et al., 2011

}}

Arabosteus is an extinct genus of palaecanthaspid placoderm that inhabited what is now Saudi Arabia during the Early Devonian epoch. Its only species is Arabosteus variabilis.{{Cite journal |last=Olive |first=Sébastien |last2=Goujet |first2=Daniel |last3=Lelièvre |first3=Hervé |last4=Janjou |first4=Dominique |date=1 September 2011 |title=A new Placoderm fish (Acanthothoraci) from the Early Devonian Jauf Formation (Saudi Arabia) |url=https://bioone.org/journals/Geodiversitas/volume-33/issue-3/g2011n3a1/A-new-Placoderm-fish-Acanthothoraci-from-the-Early-Devonian-Jauf/10.5252/g2011n3a1.short |journal=Geodiversitas |language=en |volume=33 |issue=3 |pages=393–409 |doi=10.5252/g2011n3a1 |issn=1280-9659 |access-date=5 October 2024 |via=BioOne Digital Library}}