Bulimina pupoides var. fusiformis Williamson, 1858 accepted as Stainforthia fusiformis (Williamson, 1858) (original description)
Bulimina scabra Williamson, 1858 accepted as Eggerelloides scabrum (Williamson, 1858) (original description)
Cassidulina obtusa Williamson, 1858 (original description)
Miliolina Williamson, 1858 accepted as Triloculina d'Orbigny, 1826 (original description)
Nonionina barleeana Williamson, 1858 accepted as Melonis barleeanus (Williamson, 1858) accepted as Melonis affinis (Reuss, 1851) (original description)
Nonionina jeffreysii Williamson, 1858 accepted as Cribrostomoides jeffreysii (Williamson, 1858) (original description)
Patellina Williamson, 1858 (original description)
Patellina corrugata Williamson, 1858 (original description)
Polystomella umbilicatula var. incerta Williamson, 1858 accepted as Cribroelphidium incertum (Williamson, 1858) (original description)
Proteonina Williamson, 1858 accepted as Reophax Montfort, 1808 (original description)
Proteonina fusiformis Williamson, 1858 accepted as Reophax fusiformis (Williamson, 1858) (original description)
Proteonina pseudospiralis Williamson, 1858 accepted as Ammoscalaria pseudospiralis (Williamson, 1858) (original description)
Rotalina ochracea Williamson, 1858 accepted as Lepidodeuterammina ochracea (Williamson, 1858) (original description)
Rotalina turgida Williamson, 1858 accepted as Nonionoides turgidus (Williamson, 1858) (original description)
Uvigerina angulosa Williamson, 1858 accepted as Trifarina angulosa (Williamson, 1858) (original description)