Bayania liancurtensis Cossmann, 1902 † (original description)
Corbula plateaui Cossmann, 1902 † accepted as Corbulamella plateaui (Cossmann, 1902) † (original description)
Dimya bonneti Cossmann, 1902 † (original description)
Drillia passaloides Cossmann, 1902 † accepted as Crassispira passaloides (Cossmann, 1902) † (original description)
Drillia tenuicrenata Cossmann, 1902 † accepted as Crassispira tenuicrenata (Cossmann, 1902) † (original description)
Helix (Vallonia) girauxae Cossmann, 1902 † accepted as Vallonia girauxae (Cossmann, 1902) † (original description)
Helix (Videna) H. Adams & A. Adams, 1855 accepted as Videna H. Adams & A. Adams, 1855 (basis of record)
Helix (Videna) bonneti Cossmann, 1902 † accepted as Discus bonneti (Cossmann, 1902) † (original description)
Helix (Videna) margaritae Cossmann, 1902 † accepted as Discus margaritae (Cossmann, 1902) † (original description)
Houdasia Cossmann, 1902 † (original description)
Houdasia splendens Cossmann, 1902 † (original description)
Kellya infraeocaenica Cossmann, 1902 † accepted as Bornia infraeocaenica (Cossmann, 1902) † (original description)
Lacuna grandis Cossmann, 1902 † (original description)
Limnaea (Bulimnaea) bonneti Cossmann, 1902 † accepted as Galba bonneti (Cossmann, 1902) † (original description)
Melongena praecursor Cossmann, 1902 † accepted as Cornulina praecursor (Cossmann, 1902) † (original description)
Mitra bonneti Cossmann, 1902 † accepted as Mitreola bonneti (Cossmann, 1902) † (original description)
Narica bonneti Cossmann, 1902 † accepted as Vanikoro bonneti (Cossmann, 1902) † (original description)
Nautilus staadti Cossmann, 1902 † accepted as Eutrephoceras staadti (Cossmann, 1902) † (original description)
Norrisia marcellini Cossmann, 1902 † accepted as Norrisella marcellini (Cossmann, 1902) † (original description)
Paludomus sincenyensis Cossmann, 1902 † (original description)
Parvisipho plateaui Cossmann, 1902 † (original description)
Pleurotoma pourcyensis Cossmann, 1902 † accepted as Eopleurotoma pourcyensis (Cossmann, 1902) † (original description)
Psammobia (Macropsammus) Cossmann, 1902 † accepted as Macropsammus Cossmann, 1902 accepted as Gari Schumacher, 1817 (original description)
Pseudotoma liancurtensis (de Boury, 1899) † (basis of record)
Raphitoma bezanconi Cossmann, 1902 † accepted as Pleurotomella bezanconi (Cossmann, 1902) † (original description)
Raphitoma deshayesi Cossmann, 1902 † (original description)
Raphitoma sapicurtensis Cossmann, 1902 † (original description)
Ringicula lignitarum Cossmann, 1902 † (original description)
Sigaretus cupuliformis Cossmann, 1902 † accepted as Sigaretotrema cupuliforme (Cossmann, 1902) † (original description)
Solariella tricincta (Deshayes, 1863) † accepted as Solariella turbinoides tricincta (Deshayes, 1863) † (basis of record)
Solarium bonneti Cossmann, 1902 † accepted as Nipteraxis bonneti (Cossmann, 1902) † (original description)
Stalioia tunioti Cossmann, 1902 † accepted as Cirsomphalus tunioti (Cossmann, 1902) † (original description)
Surcula pluriplicata Cossmann, 1902 † accepted as Pseudotoma pluriplicata (Cossmann, 1902) † (original description)
Sveltella bonneti Cossmann, 1902 † (original description)
Sveltella plateaui Cossmann, 1902 † (original description)
Syrnola pissarroi Cossmann, 1902 † (original description)
Syrnola plicifera Cossmann, 1902 † accepted as Tropaeas plicifera (Cossmann, 1902) † (original description)
Tenuiscala diachorista Cossmann, 1902 † accepted as Cerithiscala diachorista (Cossmann, 1902) † (original description)
Tritonidea cantharoides Cossmann, 1902 † accepted as Cantharulus cantharoides (Cossmann, 1902) † (original description)

France for Bayania liancurtensis Cossmann, 1902 † 
France for Corbula plateaui Cossmann, 1902 † 
France for Dimya bonneti Cossmann, 1902 † 
France for Drillia passaloides Cossmann, 1902 † 
France for Drillia tenuicrenata Cossmann, 1902 † 
France for Helix (Vallonia) girauxae Cossmann, 1902 † 
France for Helix (Videna) bonneti Cossmann, 1902 † 
France for Helix (Videna) margaritae Cossmann, 1902 † 
France for Kellya infraeocaenica Cossmann, 1902 † 
France for Lacuna grandis Cossmann, 1902 † 
France for Limnaea (Bulimnaea) bonneti Cossmann, 1902 † 
France for Limnaea (Bulimnaea) bonneti Cossmann, 1902 † 
France for Limnaea (Bulimnaea) bonneti Cossmann, 1902 † 
France for Melongena praecursor Cossmann, 1902 † 
France for Mitra bonneti Cossmann, 1902 † 
France for Narica bonneti Cossmann, 1902 † 
France for Nautilus staadti Cossmann, 1902 † 
France for Norrisia marcellini Cossmann, 1902 † 
France for Paludomus sincenyensis Cossmann, 1902 † 
France for Parvisipho plateaui Cossmann, 1902 † 
France for Pleurotoma pourcyensis Cossmann, 1902 † 
France for Raphitoma bezanconi Cossmann, 1902 † 
France for Raphitoma deshayesi Cossmann, 1902 † 
France for Raphitoma sapicurtensis Cossmann, 1902 † 
France for Ringicula lignitarum Cossmann, 1902 † 
France for Sigaretus cupuliformis Cossmann, 1902 † 
France for Solarium bonneti Cossmann, 1902 † 
France for Stalioia tunioti Cossmann, 1902 † 
France for Surcula pluriplicata Cossmann, 1902 † 
France for Sveltella bonneti Cossmann, 1902 † 
France for Sveltella plateaui Cossmann, 1902 † 
France for Syrnola pissarroi Cossmann, 1902 † 
France for Syrnola plicifera Cossmann, 1902 † 
France for Tenuiscala diachorista Cossmann, 1902 † 
France for Tritonidea cantharoides Cossmann, 1902 † 

 Type locality

 for Helix (Vallonia) girauxae Cossmann, 1902 †

Marines, Val-d'Oise, France; late Bartonian, late Eocene [details]

 Type locality

 for Helix (Videna) bonneti Cossmann, 1902 †

Marines, Val-d'Oise, France; late Bartonian, late Eocene [details]

 Type locality

 for Helix (Videna) margaritae Cossmann, 1902 †

Chambors, Oise, France; Lutetian, middle Eocene [details]

 Type locality

 for Limnaea (Bulimnaea) bonneti Cossmann, 1902 †

Chars, Haravilliers (Le Ruel) and Marines, Val-d'Oise, France; late Bartonian, late Eocene [details]

 Type locality

 for Paludomus sincenyensis Cossmann, 1902 †

Sinceny, Aisne, France; Sables de Bracheux, late Thanetian, late Paleocene [details]

 Type locality

 for Stalioia tunioti Cossmann, 1902 †

Pourcy, Marne, France; Ypresian (PE III zone), early Eocene [details]