Bulimina pupoides var. convoluta Williamson, 1858 accepted as Bulimina convoluta Williamson, 1858 accepted as Geminospira convoluta (Williamson, 1858) (original description)
Bulimina pupoides var. fusiformis Williamson, 1858 accepted as Stainforthia fusiformis (Williamson, 1858) (original description)
Bulimina pupoides var. spinulosa Williamson, 1858 accepted as Bulimina aculeata d'Orbigny, 1826 (original description)
Bulimina scabra Williamson, 1858 accepted as Eggerelloides scabrum (Williamson, 1858) (original description)
Cassidulina obtusa Williamson, 1858 (original description)
Cristellaria calcar var. oblonga Williamson, 1858 (original description)
Cristellaria calcar var. rotifer Williamson, 1858 (original description)
Cristellaria subarcuatula var. costata Williamson, 1858 (original description)
Cristellaria subarcuatula var. elongata Williamson, 1858 (original description)
Cristellaria subarcuatula var. scapha Williamson, 1858 (original description)
Entosolenia costata Williamson, 1858 accepted as Homalohedra costata (Williamson, 1858) accepted as Oolina borealis Loeblich & Tappan, 1954 (original description)
Entosolenia marginata var. lagenoides Williamson, 1858 accepted as Lagenosolenia lagenoides (Williamson, 1858) (original description)
Entosolenia marginata var. ornata Williamson, 1858 accepted as Fissurina ornata (Williamson, 1858) (original description)
Entosolenia marginata var. quadrata Williamson, 1858 accepted as Fissurina quadrata (Williamson, 1858) (original description)
Frondicularia spathulata Williamson, 1858 (original description)
Lagena vulgaris Williamson, 1858 (original description)
Lagena vulgaris var. interrupta Williamson, 1858 (original description)
Lagena vulgaris var. semistriata Williamson, 1858 (original description)
Miliolina Williamson, 1858 accepted as Triloculina d'Orbigny, 1826 (original description)
Miliolina bicornis (Walker & Jacob, 1798) accepted as Adelosina bicornis (Walker & Jacob, 1798) (new combination reference)
Miliolina bicornis var. angulata Williamson, 1858 accepted as Quinqueloculina angulata (Williamson, 1858) (original description)
Miliolina bicornis var. elegans Williamson, 1858 accepted as Miliolina elegans Williamson, 1858 accepted as Adelosina elegans (Williamson, 1858) (original description)
Miliolina elegans Williamson, 1858 accepted as Adelosina elegans (Williamson, 1858) (original description)
Nonionina barleeana Williamson, 1858 accepted as Melonis barleeanus (Williamson, 1858) accepted as Melonis affinis (Reuss, 1851) (original description)
Nonionina elegans Williamson, 1858 (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)
Polymorphina lactea var. acuminata Williamson, 1858 (original description)
Polymorphina lactea var. concava Williamson, 1858 accepted as Guttulina concava (Williamson, 1858) accepted as Webbinella concava (Williamson, 1858) (original description)
Polymorphina lactea var. fistulosa Williamson, 1858 accepted as Polymorphina fistulosa Williamson, 1858 (original description)
Polymorphina lactea var. oblonga Williamson, 1858 accepted as Polymorphina williamsoni Terquem, 1878 accepted as Laryngosigma williamsoni (Terquem, 1878) (original description)
Polymorphina myristiformis Williamson, 1858 accepted as Globulina myristiformis (Williamson, 1858) accepted as Vasiglobulina myristiformis (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 concamerata (Montagu, 1808) accepted as Eponides concameratus (Montagu, 1808) (new combination reference)
Rotalina fusca Williamson, 1858 accepted as Tritaxis fusca (Williamson, 1858) (original description)
Rotalina mamilla Williamson, 1858 accepted as Discorbis mamilla (Williamson, 1858) accepted as Asterigerinata mamilla (Williamson, 1858) (original description)
Rotalina nitida Williamson, 1858 accepted as Discorbis nitidus (Williamson, 1858) accepted as Discorbinella nitida (Williamson, 1858) accepted as Discorbis williamsoni Chapman & Parr, 1932 accepted as Rosalina williamsoni (Chapman & Parr, 1932) (original description)
Rotalina oblonga Williamson, 1858 accepted as Cancris oblongus (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)
Spirillina arenacea Williamson, 1858 (original description)
Spirillina margaritifera Williamson, 1858 (original description)
Spiroloculina depressa var. cymbia d'Orbigny, 1839 accepted as Spiroloculina cymbium d'Orbigny, 1839 (new combination reference)
Spiroloculina depressa var. rotundata d'Orbigny, 1826 accepted as Spiroloculina rotunda d'Orbigny, 1826 (new combination reference)
Textularia variabilis Williamson, 1858 accepted as Bolivina variabilis (Williamson, 1858) (original description)
Textularia variabilis var. difformis Williamson, 1858 accepted as Bolivina difformis (Williamson, 1858) (original description)
Textularia variabilis var. spathulata Williamson, 1858 accepted as Brizalina spathulata (Williamson, 1858) accepted as Bolivina spathulata (Williamson, 1858) (original description)
Uvigerina angulosa Williamson, 1858 accepted as Trifarina angulosa (Williamson, 1858) (original description)

Great Britain for Bulimina pupoides var. convoluta Williamson, 1858 
Great Britain for Bulimina pupoides var. fusiformis Williamson, 1858 
Great Britain for Bulimina pupoides var. spinulosa Williamson, 1858 
Great Britain for Bulimina scabra Williamson, 1858 
Great Britain for Cassidulina obtusa Williamson, 1858 
Great Britain for Cristellaria calcar var. oblonga Williamson, 1858 
Great Britain for Cristellaria calcar var. rotifer Williamson, 1858 
Great Britain for Cristellaria subarcuatula var. costata Williamson, 1858 
Great Britain for Cristellaria subarcuatula var. elongata Williamson, 1858 
Great Britain for Cristellaria subarcuatula var. scapha Williamson, 1858 
Great Britain for Entosolenia costata Williamson, 1858 
Great Britain for Entosolenia marginata var. lagenoides Williamson, 1858 
Great Britain for Entosolenia marginata var. ornata Williamson, 1858 
Great Britain for Entosolenia marginata var. quadrata Williamson, 1858 
Great Britain for Frondicularia spathulata Williamson, 1858 
Great Britain for Lagena vulgaris Williamson, 1858 
Great Britain for Lagena vulgaris var. interrupta Williamson, 1858 
Great Britain for Lagena vulgaris var. semistriata Williamson, 1858 
Great Britain for Miliolina Williamson, 1858 
Great Britain for Miliolina bicornis var. angulata Williamson, 1858 
Great Britain for Miliolina bicornis var. elegans Williamson, 1858 
Great Britain for Miliolina elegans Williamson, 1858 
Great Britain for Nonionina barleeana Williamson, 1858 
Great Britain for Nonionina elegans Williamson, 1858 
Great Britain for Nonionina jeffreysii Williamson, 1858 
Great Britain for Patellina Williamson, 1858 
Great Britain for Patellina corrugata Williamson, 1858 
Great Britain for Polymorphina lactea var. acuminata Williamson, 1858 
Great Britain for Polymorphina lactea var. concava Williamson, 1858 
Great Britain for Polymorphina lactea var. fistulosa Williamson, 1858 
Great Britain for Polymorphina lactea var. oblonga Williamson, 1858 
Great Britain for Polymorphina myristiformis Williamson, 1858 
Great Britain for Polystomella umbilicatula var. incerta Williamson, 1858 
Great Britain for Proteonina Williamson, 1858 
Great Britain for Proteonina fusiformis Williamson, 1858 
Great Britain for Proteonina pseudospiralis Williamson, 1858 
Great Britain for Rotalina fusca Williamson, 1858 
Great Britain for Rotalina mamilla Williamson, 1858 
Great Britain for Rotalina nitida Williamson, 1858 
Great Britain for Rotalina oblonga Williamson, 1858 
Great Britain for Rotalina ochracea Williamson, 1858 
Great Britain for Rotalina turgida Williamson, 1858 
Great Britain for Spirillina arenacea Williamson, 1858 
Great Britain for Spirillina margaritifera Williamson, 1858 
Great Britain for Textularia variabilis Williamson, 1858 
Great Britain for Textularia variabilis var. difformis Williamson, 1858 
Great Britain for Textularia variabilis var. spathulata Williamson, 1858 
Great Britain for Uvigerina angulosa Williamson, 1858