Mesoplodon Gervais, 1850 . Ann. Sci. Nat. Zool. (Paris), ser. 3, 14: 16.

TYPE SPECIES: Delphinus sowerbensis de Blainville, 1817 (= Physeter bidens Sowerby, 1804).

SYNONYMS: Aodon, Dioplodon, Dolichodon, Micropterus, Oulodon, Nodus, Paikea .

COMMENTS: Mesoplodon Gervais, 1850 and Physeter bidens Sowerby were conserved; Nodus, Micropteron, and Mikropteron were suppressed by the International Commission on Zoological Nomenclature (19856).