Aethaspis

{{Short description|Extinct genus of fish}}

{{Automatic_taxobox

| fossil_range = Devonian: Pragian, {{fossilrange|410|407}}

| taxon = Aethaspis

| authority = Denison, 1958

| subdivision_ranks = Species

| subdivision =

• {{extinct}}Aethaspis major Denison, 1958 (type)
• {{extinct}}Aethaspis utahensis Denison, 1958

}}

Aethaspis is an extinct genus of arthrodire placoderm fish from the Devonian period. Two species were described by Denison in 1958: Aethapsis major and Aethapsis utahensis.{{Cite journal |last1=Van Valen |first1=Leigh |date=January 1963 |title=The Head Shield of Macropetalichthys (Arthrodira) |journal=Journal of Paleontology |volume=37 |issue=1 |pages=257–263 }} It is one of the more basal members of the order Arthrodira, as shown in the cladogram below:

{{Phylogeny/Actinolepidoidei}}