Crepidula moulinsii Michaud, 1829 (original description)
Emarginula pileolus Michaud, 1829 accepted as Emarginula rosea Bell, 1824 (original description)
Monodonta belliaei Michaud, 1829 accepted as Homalopoma sanguineum (Linnaeus, 1758) (original description)
Phasianella tenuis Michaud, 1829 (original description)
Pleurotoma comarmondi Michaud, 1829 accepted as Comarmondia gracilis (Montagu, 1803) accepted as Pleurotomoides gracilis (Montagu, 1803) (original description)
Pleurotoma philberti Michaud, 1829 accepted as Raphitoma philberti (Michaud, 1829) (original description)
Pleurotoma villiersii Michaud, 1829 accepted as Mangelia attenuata (Montagu, 1803) accepted as Villiersiella attenuata (Montagu, 1803) (original description)
Scalaria tenuicostata Michaud, 1829 accepted as Epitonium turtonis (W. Turton, 1819) (original description)
Tornatella lactea Michaud, 1829 accepted as Euparthenia humboldti (Risso, 1826) (original description)
Trochus rarilineatus Michaud, 1829 accepted as Gibbula rarilineata (Michaud, 1829) accepted as Steromphala rarilineata (Michaud, 1829) (original description)