Bifrontia conoidea Cossmann, 1882 † accepted as Omalaxis conoideus (Cossmann, 1882) † (original description)
Cardita cuneata Cossmann, 1882 † accepted as Choniocardia cuneata (Cossmann, 1882) † (original description)
Cardium bourdoti Cossmann, 1882 † accepted as Parvicardium bourdoti (Cossmann, 1882) † (original description)
Cerithium petitclerci Cossmann, 1882 † accepted as Ptychocerithium petitclerci (Cossmann, 1882) † (original description)
Cytherea nuculoides Cossmann, 1882 † accepted as Tivelina nuculoides (Cossmann, 1882) † (original description)
Cytherea vincentiana Cossmann, 1882 † accepted as Tivelina vincentiana (Cossmann, 1882) † (original description)
Diastoma acuminiense Cossmann, 1882 † (original description)
Lacuna anomala Cossmann, 1882 † accepted as Pseudocirsope anomala (Cossmann, 1882) † (original description)
Litiopa klipsteini Cossmann, 1882 † accepted as Entomope klipsteini (Cossmann, 1882) † (original description)
Sphenia radiatula Cossmann, 1882 † (original description)
Sportella bezanconi Cossmann, 1882 † (original description)
Tellina bouryi Cossmann, 1882 † accepted as Arcopagia bouryi (Cossmann, 1882) † (original description)
Trigonocoelia curvirostris Cossmann, 1882 † accepted as Trinacria curvirostris (Cossmann, 1882) † (original description)
Typhis rutoti Cossmann, 1882 † accepted as Typhina rutoti (Cossmann, 1882) † (original description)