1. In this nomenclatural-historical account of the genera of the Conocardioidea (Mollusca: Rostroconchia) several inconsistencies and errors in the taxonomy and nomenclature of the Conocardioidea are clarified.Cardium aliforme J. de C.Sowerby, 1827, is recognised as type species of the genusConocardiumBronn, 1835, according to the ICZN 4th edition.

Auflage revidierten Regeln der ICZN wirdCardium aliforme J. de C.Sowerby, 1827 als Typusart der GattungConocardiumBronn, 1835 festgelegt.