STYRACOPTERIDAE, Moy-Thomas, 1939

Sallan, Lauren Cole & Coates, Michael I., 2013, Styracopterid (Actinopterygii) ontogeny and the multiple origins of post-Hangenberg deep-bodied fishes, Zoological Journal of the Linnean Society 169 (1), pp. 156-199 : 158

STYRACOPTERIDAE MOY- THOMAS, 1937

Type genus: Styracopterus Traquair, 1890 .

Included genera: Styracopterus Traquair, 1890 , Fouldenia White, 1927 , Benedenius Traquair, 1878 .

Diagnosis (emended from Gardiner, 1985): Eurynotiform fishes with bands of smooth ganoine ornament on maxilla and dentary, parallel with jaw margins; contact between frontals and parietals v-shaped; nasal expanded ventrally, in contact with lachrymal; dermosphenotic mediolaterally broad with curved anterior process; cleithrum scythe-shaped with wide dorsal process; anal fin height greater than base length; pelvic fins with enlarged basal fulcra; axial lobe with distinct curvature; epichordal fin present; scales on axial lobe elliptical with longitudinal ganoine bands; axial basal fulcra with needle-shaped apex bearing paired dorsal ridges; lepidotrichia jointed regularly throughout length with short, plate-like segments; fringing fulcra paired on anterior margins of paired fins; fringing fulcra on distal portions of anal fin and caudal fin heavily overlapped and elliptical; sensory canals obscured by ornament in skull roof.