Bulimus niger Dufo, 1840 accepted as Pachnodus niger (Dufo, 1840) (original description)
Bulimus ornatus Dufo, 1840 accepted as Nesiocerastus ornatus (Dufo, 1840) (original description)
Cerithium radix Dufo, 1840 (original description)
Gastrochaena dentifera Dufo, 1840 accepted as Dufoichaena dentifera (Dufo, 1840) (original description)
Lima natans Dufo, 1840 (original description)
Modiola arcuata Dufo, 1840 accepted as Botula cinnamomea (Gmelin, 1791) (original description)
Murex erithrostomus Dufo, 1840 accepted as Chicoreus (Triplex) brunneus (Link, 1807) represented as Chicoreus brunneus (Link, 1807) (original description)
Nerita debilis Dufo, 1840 accepted as Mienerita debilis (Dufo, 1840) (original description)
Neritina rara Dufo, 1840 accepted as Vittina gagates (Lamarck, 1822) (original description)
Ostrea crocea Dufo, 1840 accepted as Neopycnodonte cochlear (Poli, 1795) (original description)
Ostrea elliptica Dufo, 1840 accepted as Striostrea margaritacea (Lamarck, 1819) (original description)
Ovula nigerina Dufo, 1840 accepted as Crenavolva striatula (G. B. Sowerby I, 1828) (original description)
Ovulum album Dufo, 1840 accepted as Procalpurnus lacteus (Lamarck, 1810) (original description)
Perna planorbis Dufo, 1840 accepted as Isognomon nucleus (Lamarck, 1819) (original description)
Perna rupella Dufo, 1840 accepted as Isognomon nucleus (Lamarck, 1819) (original description)
Pupa dussumieri Dufo, 1840 accepted as Gerlachina dussumieri (Dufo, 1840) (original description)
Stomatella irisata Dufo, 1840 accepted as Stomatolina irisata (Dufo, 1840) (original description)
Stomatella minima Dufo, 1840 accepted as Gena varia A. Adams, 1850 accepted as Stomatella auricula Lamarck, 1816 (original description)
Trochus rarus Dufo, 1840 accepted as Clanculus rarus (Dufo, 1840) (original description)

Mahe Island for Stomatella irisata Dufo, 1840 
Mahe Island for Trochus rarus Dufo, 1840 
Seychelles for Bulimus ornatus Dufo, 1840 
Seychelles for Stomatella irisata Dufo, 1840