Genus: Saigheadaspis EL FEHRI, GROHGANZ, SANSOM, BENTON & KEATING, 2026
Etymology: Scottish Gaelic, saighead, "arrow" and Greek, aspis, "shield"the typical epithet of osteostrachian genera.

Species: websteri (STENSIO, 1932) EL FEHRI, GROHGANZ, SANSOM, BENTON & KEATING, 2026
= Cephalaspis websteri STENSIO, 1932
Etymology:

Holotype: NHMUK PV P 16150

Locality: Unknown, Forfarshire, Scotland, Northern United Kingdom.

Horizon: Lower Old Red Sandstone.

Biostratigraphy:

Age: Lochkovian Stage, Early Early Devonian Epoch, Early Devonian.

Material: Impression of the dorsal surface of the headsheild.