Diplacanthus, Agassiz, 1844

Burrow, Carole, Newman, Michael & Davidson, Robert, 2016, The diplacanthid fishes (Acanthodii, Diplacanthiformes, Diplacanthidae) from the Middle Devonian of Scotland, Palaeontologia Electronica 19, pp. 1-83 : 6

Genus DIPLACANTHUS Agassiz, 1844

Type Species. Diplocanthus crassisimus Duff, 1842 , by original designation.

Revised Diagnosis. Dermal and endoskeletal pectoral girdle elements – pectoral and admedian spines, scapulocoracoid, procoracoid, pinnal and anterior ventral plates – articulating or fused as a single structure on each side of body; sides of fin spines with multiple longitudinal ridges; each eye encircled by a single long plate plus multiple short plates; high scales with a narrow neck, flat base and scale crowns ornamented with denticulated transverse ridges; scales with a network of canals opening out via pores on the crown and high on the posterior neck.

Included Species. Diplacanthus tenuistriatus Traquair, 1894 ; Diplacanthus kleesmentae Valiukevičius and Karatajūtė-Talimaa, 1986 ;? Diplacanthus gravis Valiukevičius, 1988a ;? Diplacanthus poltnigi Valiukevičius, 2003 (Lochkovian; possibly Uraniacanthus sp. );? Diplacanthus solidus Valiukevičius, 2003 .