Diplodus Amyot & Serville, 1843: 370 (junior homonym Diplodus Rafinesque, 1810 and Diplodus Agassiz, 1841, Pisces). Type species by monotypy: Reduvius armillatus Lepeletier & Serville, 1825, Bolivia, Brazil.
Diplacodus Kirkaldy, 1900c: 242 (junior homonym of Diplacodus Davis, 1884, Chondrichthyes: Cochliodontidae, fossil).
Diplocodus: Payne, 1909:122 and later authors. Incorrect subsequent spelling.
Diplodacus: Aukema, Rieger & Rabitsch, 2012: 149. Incorrect subsequent spelling.
Diplocodus Cianferoni 2024: 399. New name for Diplodus Amyot & Serville, 1843