Apomesodon, Poyato-Ariza F. J. & Wenz S., 2002

Poyato-Ariza F. J. & Wenz S., 2002, A new insight into pycnodontiform fishes, Geodiversitas 24 (1), pp. 139-248 : 219

Genus Apomesodon n. gen.

Gyrodus pro parte – Agassiz 1843: 236 (name only). — Winkler 1862: 86, tab. 1.

Mesodon pro parte – Wagner 1851: pl. 3, fig. 2. — Thiollière 1873: 13, pl. 2, fig. 2.

Eomesodon – Saint-Seine 1949: 130, figs 56-58, pl. 14, fig. A.

TYPE SPECIES. — Mesodon gibbosus Wagner, 1851 .

INCLUDED SPECIES. — The type species, and Apomesodon surgens n. gen., n. sp.

ETYMOLOGY. — From the Greek prefix “Aπo-”, “Apo-”: from, separate; and the last part of its former genus “ Eomesodon ”.

DIAGNOSIS. — Primitive pycnodontoid fishes with the following unique combination of primitive and derived characters: caudal pedicle not differentiated; frontals curved and short; tubular infraorbitals present; four dentary teeth; three prearticular tooth rows; more than 34 vertebrae; dorsal and anal fins rounded anteriorly; more than 17 dorsal ridge scales.