Aporrhais michaudi Locard, 1891 accepted as Aporrhais serresiana (Michaud, 1828) (source of synonymy)
Bela guernei Dautzenberg, 1891 accepted as Belomitra quadruplex (R. B. Watson, 1882) (original description)
Cuspidaria (Tropidomya) Dall & E. A. Smith, 1886 accepted as Tropidomya Dall & E. A. Smith, 1886 (basis of record)
Cuspidaria (Tropidomya) abbreviata (Forbes, 1843) accepted as Tropidomya abbreviata (Forbes, 1843) (basis of record)
Fusus azoricus Dautzenberg, 1889 accepted as Fusinus bocagei (P. Fischer, 1882) accepted as Pseudofusus bocagei (P. Fischer, 1882) (source of synonymy)
Meretrix (Pitar) mediterranea Dautzenberg, 1891 accepted as Pitar mediterraneus (Aradas & Benoit, 1872) (original description)
Pleurotoma hirondelleae Dautzenberg, 1891 accepted as Borsonia hirondelleae (Dautzenberg, 1891) (original description)
Retusa crebrisculpta (Monterosato, 1884) (additional source)
Thracia papyracea var. quadrata Dautzenberg, 1891 accepted as Thracia gracilis Jeffreys, 1865 (original description)