Coccodus Pictet, 1850

Poyato-Ariza F. J. & Wenz S., 2002, A new insight into pycnodontiform fishes, Geodiversitas 24 (1), pp. 139-248 : 220

Genus Coccodus Pictet, 1850

HOLOTYPE. — Specimen figured by Pictet (1850: pl. 9, fig. 9), currently housed at the Muséum de Genève: V-674 (unfigured counterpart: V-733).

TYPE SPECIES. — Coccodus armatus Pictet, 1850 .

INCLUDED SPECIES. — Monotypic genus.

REVISED DIAGNOSIS. — Coccodontid fish with the following autapomorphies: supraoccipital spine present, single and robust; coronoid process low and straight, with strengthened dorsal border; large, four-limbed cleithrum, ornamented with strong parallel ridges and one hypertrophied spine; square, low and short anal fin; all scales absent, including body scales, dorsal and ventral contour scales, and cloacal scales. Unique combination of reverted primitive and derived characters: body shape fusiform, without dorsal apex; paired prefrontal bones absent; vomerine teeth triangular; eight or nine teeth on main vomerine tooth row; two prearticular tooth rows; less than 25 vertebrae.

Family PYCNODONTIDAE Agassiz, 1833