Balcis alba – synonym of Melanella alba
Balcis intermedia – synonym of Melanella lubrica
Balcis lubrica – synonym of Melanella lubrica
Balcis monterosatoi – synonym of Melanella monterosatoi
Barbatia nodulosa – synonym of Arca nodulosa
Barleeia elongata – synonym of Barleeia unifasciata
Barleeia rubra var. elongata – synonym of Barleeia unifasciata
Barleeia rubra var. majuscula – synonym of Barleeia unifasciata
Barnea crenatula – synonym of Barnea parva
Barnea quadrangula – synonym of Barnea parva
Barnea spinosa – synonym of Barnea candida
Bela coarctata: – synonym of Mangelia coarctata
Bela decussata var. finmarchia – synonym of Oenopota trevelliana
Bela formica – synonym of Bela nebula
Bela ginnaniana – synonym of Bela nebula
Bela ornata atticae – synonym of Bela nebula
Berthella porosa – synonym of Berthella plumula
Biapholius spinosus – synonym of Hiatella arctica
Biforina perversa var. parva – synonym of Marshallora adversa
Bittium atticum – synonym of Bittium reticulatum
Bittium bifasciatum – synonym of Bittium reticulatum
Bittium jadertinum antonium – synonym of Bittium reticulatum
Bittium ragusianum – synonym of Bittium reticulatum
Bittium reticulatum var. bifasciata – synonym of Bittium reticulatum
Bittium reticulatum var. exigua – synonym of Bittium reticulatum
Bittium reticulatum var. paludosa – synonym of Bittium reticulatum
Boreofusus berniciensis var. solida – synonym of Troschelia berniciensis
Boreotrophon clathratus – synonym of Trophon clathratus
Bornia inflata – synonym of Kellia suborbicularis
Bornia seminulum – synonym of Lasaea rubra
Bouvieria perforata – synonym of Berthella plumula
Brachystomia carrozzai – synonym of Odostomia carrozzai
Brachystomia eulimoides – synonym of Odostomia eulimoides
Brachystomia lukisi – synonym of Odostomia lukisii
Brachystomia rissoides – synonym of Odostomia scalaris
Buccinum acuminatum – synonym of Buccinum undatum
Buccinum anglicum – synonym of Nassarius reticulatus
Buccinum ascanias – synonym of Nassarius incrassatus
Buccinum atractodeum – synonym of Buccinum humphreysianum
Buccinum chrysostomum – synonym of Nassarius reticulatus
Buccinum coccinella – synonym of Nassarius incrassatus
Buccinum dalei – synonym of Liomesus ovum
Buccinum donovani – synonym of Buccinum undatum
Buccinum euthriaeforme – synonym of Buccinum humphreysianum
Buccinum filosum – synonym of Nucella lapillus
Buccinum fragile – synonym of Buccinum undatum
Buccinum fusiforme – synonym of Buccinum humphreysianum
Buccinum gracile – synonym of Buccinum humphreysianum
Buccinum gracile – synonym of Colus gracilis
Buccinum gracile – synonym of Colus jeffreysianus
Buccinum hepaticum – synonym of Nassarius reticulatus
Buccinum humphreysianum var. azonata – synonym of Buccinum humphreysianum
Buccinum humphreysianum var. lactea – synonym of Buccinum humphreysianum
Buccinum incrassatum – synonym of Nassarius incrassatus
Buccinum inflatum – synonym of Buccinum humphreysianum
Buccinum inflatum panormitanum – synonym of Buccinum humphreysianum
Buccinum inflatum partenopaeum – synonym of Buccinum humphreysianum
Buccinum kieneri – synonym of Buccinum humphreysianum
Buccinum lacepedii – synonym of Nassarius incrassatus
Buccinum lamellatum – synonym of Trophon clathratus
Buccinum lapillus – synonym of Nucella lapillus
Buccinum liocephalum – synonym of Buccinum humphreysianum
Buccinum lusitanicum – synonym of Buccinum humphreysianum
Buccinum lyratum – synonym of Trophon clathratus
Buccinum macula – synonym of Nassarius incrassatus
Buccinum minutum – synonym of Nassarius incrassatus
Buccinum monterosatoi – synonym of Buccinum humphreysianum
Buccinum monterosatoi var. flammulata – synonym of Buccinum humphreysianum
Buccinum ovum – synonym of Liomesus ovum
Buccinum pictum – synonym of Buccinum undatum
Buccinum puxleianum – synonym of Buccinum humphreysianum
Buccinum reticulatum – synonym of Nassarius reticulatus
Buccinum steveni – synonym of Bela nebula
Buccinum striatum – synonym of Buccinum humphreysianum
Buccinum tritonium – synonym of Nassarius pygmaeus
Buccinum truncatum – synonym of Trophon truncatus
Buccinum undatum var. caerulea – synonym of Buccinum undatum
Buccinum undatum var. flexuosa – synonym of Buccinum undatum
Buccinum ventricosum – synonym of Buccinum humphreysianum
Bulla acuminata – synonym of Volvulella acuminata
Bulla akera – synonym of Akera bullata
Bulla aperta – synonym of Philine aperta
Bulla canaliculata – synonym of Akera bullata
Bulla catena – synonym of Philine catena
Bulla catenulifera – synonym of Philine scabra
Bulla cranchii – synonym of Roxania utricula
Bulla cylindracea – synonym of Cylichna cylindracea
Bulla cylindrica – synonym of Cylichna cylindracea
Bulla diaphana – synonym of Trivia arctica
Bulla elastica – synonym of Akera bullata
Bulla farrani – synonym of Akera bullata
Bulla flexilis – synonym of Velutina plicatilis
Bulla fragilis – synonym of Akera bullata
Bulla hanleyi – synonym of Akera bullata
Bulla hyalina – synonym of Diaphana minuta
Bulla latens – synonym of Lamellaria latens
Bulla lignaria – synonym of Scaphander lignarius
Bulla mammillata – synonym of Retusa truncatula
Bulla norwegica – synonym of Akera bullata
Bulla obtusa – synonym of Retusa obtusa
Bulla oliva – synonym of Cylichna cylindracea
Bulla patula – synonym of Simnia patula
Bulla pectinata – synonym of Philine scabra
Bulla pellucida – synonym of Retusa truncatula
Bulla pertenuis – synonym of Retusa obtusa
Bulla plicatilis – synonym of Velutina plicatilis
Bulla plumula – synonym of Berthella plumula
Bulla producta – synonym of Cylichna cylindracea
Bulla punctata – synonym of Philine punctata
Bulla quadrata – synonym of Philine quadrata
Bulla quadripartite – synonym of Philine aperta
Bulla resiliens – synonym of Akera bullata
Bulla retusa – synonym of Retusa truncatula
Bulla scabra – synonym of Philine scabra
Bulla semisulcata – synonym of Retusa truncatula
Bulla tornatilis – synonym of Acteon tornatilis
Bulla truncata – synonym of Retusa truncatula
Bulla truncatula – synonym of Retusa truncatula
Bulla turrita – synonym of Retusa obtusa
Bulla umbilicata – synonym of Retusa umbilicata
Bulla utricula – synonym of Roxania utricula
Bulla velutina – synonym of Velutina velutina
Bullaea alata – synonym of Philine punctata
Bullaea catenata – synonym of Philine catena
Bullaea catina – synonym of Philine catena
Bullaea planciana – synonym of Philine aperta
Bullaea pruinosa – synonym of Philine pruinosa
Bullaea schroeteri – synonym of Philine aperta
Byssomia crispa – synonym of Hiatella arctica