Calliostoma (Strigosella) burdigalicum Cossmann & Peyrot, 1917 † accepted as Jujubinus burdigalicus (Cossmann & Peyrot, 1917) † (original description)
Calliostoma (Strigosella) gymnospira Cossmann & Peyrot, 1917 † accepted as Jujubinus gymnospirus (Cossmann & Peyrot, 1917) † (original description)
Chiton leognanensis Cossmann & Peyrot, 1917 † accepted as Lepidochitona leognanensis (Cossmann & Peyrot, 1917) † (original description)
Colloniidae Cossmann, 1917 (original description)
Colloniinae Cossmann, 1917 (original description)
Delphinula (Pseudoninella) planibasis Cossmann & Peyrot, 1917 † accepted as Pictarene planibasis (Cossmann & Peyrot, 1917) † (original description)
Gibbula (Colliculus) aquitanica Cossmann & Peyrot, 1917 † accepted as Gibbuliculus aquitanicus (Cossmann & Peyrot, 1917) † (original description)
Gibbula (Colliculus) aquitanica var. amphibola Cossmann & Peyrot, 1917 † accepted as Gibbuliculus aquitanicus (Cossmann & Peyrot, 1917) † (original description)
Gibbula (Colliculus) benoisti Cossmann & Peyrot, 1917 † accepted as Gibbula benoisti Cossmann & Peyrot, 1917 † (original description)
Gibbula (Colliculus) eichwaldi Cossmann & Peyrot, 1917 † accepted as Gibbula eichwaldi Cossmann & Peyrot, 1917 † (original description)
Gibbula (Colliculus) glyphidospira Cossmann & Peyrot, 1917 † accepted as Gibbula glyphidospira Cossmann & Peyrot, 1917 † (original description)
Gibbula (Colliculus) sosensis Cossmann & Peyrot, 1917 † accepted as Steromphala insignis (Millet, 1854) † accepted as Gibbuliculus insignis (Millet, 1854) † (original description)
Gibbula (Gibbuloidella) altispira Cossmann & Peyrot, 1917 † accepted as Gibbula altispira Cossmann & Peyrot, 1917 † (original description)
Gibbula (Steromphalus) degrangei Cossmann & Peyrot, 1917 † accepted as Gibbula degrangei Cossmann & Peyrot, 1917 † (original description)
Gibbula (Steromphalus) fereclausa Cossmann & Peyrot, 1917 † accepted as Gibbula fereclausa Cossmann & Peyrot, 1917 † (original description)
Gibbula sallomacensis Cossmann & Peyrot, 1917 † (original description)
Norrisella miocaenica Cossmann & Peyrot, 1917 † (original description)
Oxystele rotellaris (Michelotti, 1847) † accepted as Paroxystele rotellaris (Michelotti, 1847) † (basis of record)
Oxystele rotellaris var. bearnensis Cossmann & Peyrot, 1917 † accepted as Paroxystele bearnensis (Cossmann & Peyrot, 1917) † (original description)
Phorculus burdigalensis Cossmann & Peyrot, 1917 † (original description)
Pyrgulina (Pyrguletta) Cossmann & Peyrot, 1917 † accepted as Parthenina Bucquoy, Dautzenberg & Dollfus, 1883 (original description)
Pyrgulina (Pyrguletta) degrangei Cossmann & Peyrot, 1917 † accepted as Parthenina degrangei (Cossmann & Peyrot, 1917) † (original description)
Trochus (Tectus) elegantulus Cossmann & Peyrot, 1917 † accepted as Calliostoma lesporti Pacaud, 2017 † (original description)