Lacuna albella – synonym of Lacuna vincta
Lacuna arctica – synonym of Lacuna vincta
Lacuna carinata – synonym of Lacuna vincta
Lacuna frigida – synonym of Lacuna vincta
Lacuna glacialis – synonym of Lacuna crassior
Lacuna gracilior – synonym of Lacuna vincta
Lacuna intermedia – synonym of Lacuna parva
Lacuna labiosa – synonym of Lacuna vincta
Lacuna neritoidea – synonym of Lacuna pallidula
Lacuna patula – synonym of Lacuna pallidula
Lacuna pertusa – synonym of Lacuna vincta
Lacuna puteolina – synonym of Lacuna parva
Lacuna solidula – synonym of Lacuna vincta
Lacuna vincta var. fusca – synonym of Lacuna vincta
Lamellaria cochinella – synonym of Lamellaria perspicua
Lamellaria haliotidea – synonym of Lamellaria perspicua
Lamellaria lamellaria var. latens – synonym of Lamellaria latens
Lamellaria membranacea – synonym of Pleurobranchus membranaceus
Lamellaria perspicua var. lata – synonym of Lamellaria latens
Lamellaria tentaculata – synonym of Lamellaria latens
Lamellidoris bilamellata – synonym of Onchidoris fusca
Lamellidoris inconspicua – synonym of Onchidoris inconspicua
Lamellidoris muricata – synonym of Onchidoris muricata
Lamellidoris sparsa – synonym of Acanthodoris pilosa
Laona pruinosa – synonym of Philine pruinosa
Laplysia viridis – synonym of Elysia viridis
Lasaea danili – synonym of Lasaea rubra
Lasaea rubra var. major – synonym of Lasaea rubra
Lasaea rubra var. pallida – synonym of Lasaea rubra
Lavigno calcinella – synonym of Scrobicularia plana
Lavigno calcinella var. gallobritannica – synonym of Scrobicularia plana
Lavigno calcinella var. intermedia – synonym of Scrobicularia plana
Lavigno calcinella var. mediterranea – synonym of Scrobicularia plana
Lavigno calcinella var. oceanica – synonym of Scrobicularia plana
Lavignon deshayesii – synonym of Scrobicularia plana
Leda caudata – synonym of Nuculana minuta
Leda lucida obesa – synonym of Yoldiella lucida
Leda lucida var. declivis – synonym of Yoldiella lucida
Leda lucida var. truncata – synonym of Yoldiella lucida
Leda minuta – synonym of Nuculana minuta
Leda pernula – synonym of Nuculana pernula
Leda pygmaea – synonym of Yoldiella philippiana
Leionucula sulcata: – synonym of Nucula sulcata
Lepeta fulva – synonym of Iothia fulva
Lepidopleurus asellus – synonym of Leptochiton asellus
Lepidopleurus cancellatus – synonym of Leptochiton cancellatus
Lepidopleurus carinatus – synonym of Hanleya hanleyi
Lepidopleurus carinatus – synonym of Lepidochitona cinerea
Lepidopleurus sulci – synonym of Leptochiton cancellatus
Lepton clarkiae – synonym of Epilepton clarkiae
Lepton nitidum – synonym of Hemilepton nitidum
Lepton nitidum var. laevis – synonym of Hemilepton nitidum
Lepton nitidum var. lineolata – synonym of Hemilepton nitidum
Lepton nitidum var. pisidialis – synonym of Hemilepton nitidum
Leuconia bidentata – synonym of Ovatella denticulata
Leucophytia bidentata – synonym of Auriculinella erosa
Leucophytia bidentata – synonym of Ovatella denticulata
Ligula prismatica – synonym of Abra prismatica
Ligula profundissima – synonym of Abra longicallus
Ligula substriata – synonym of Montacuta substriata
Lilacinia violacea canariensis – synonym of Rissoa lilacina
Lima aperta – synonym of Limaria hians
Lima bullata – synonym of Limaria hians
Lima bullata – synonym of Limea loscombi
Lima elliptica – synonym of Limatula gwyni
Lima elongata – synonym of Limatula subauriculata
Lima fragilis – synonym of Limaria hians
Lima gwyni – synonym of Limatula gwyni
Lima hians – synonym of Limaria hians
Lima inflata – synonym of Limaria hians
Lima laevigata – synonym of Limaria hians
Lima linguatula – synonym of Limaria hians
Lima loscombei – synonym of Limea loscombi
Lima loscombi – synonym of Limea loscombi
Lima nivea – synonym of Limatula subauriculata
Lima subauriculata – synonym of Limatula subauriculata
Lima sulcata – synonym of Limatula gwyni
Lima sulcata – synonym of Limatula subauriculata
Lima tenera – synonym of Limaria hians
Lima vitrina – synonym of Limaria hians
Limapontia capitata olivaria – synonym of Limapontia depressa
Limapontia cornuta – synonym of Limapontia senestra
Limapontia nigra – synonym of Limapontia capitata
Limaria loscombi – synonym of Limea loscombi
Limatula sulcata – synonym of Limatula gwyni
Limax papillosa – synonym of Aeolidia papillosa
Limax tergipes – synonym of Tergipes tergipes
Liomesus dalei – synonym of Liomesus ovum
Littorina arctica – synonym of Littorina obtusata
Littorina armoricana – synonym of Littorina littorea
Littorina basterotii – synonym of Melaraphe neritoides
Littorina castanea – synonym of Littorina saxatilis
Littorina danieli – synonym of Littorina saxatilis
Littorina groenlandica – synonym of Littorina saxatilis
Littorina insularum – synonym of Melaraphe neritoides
Littorina mariae – synonym of Littorina fabalis
Littorina marmorata – synonym of Littorina saxatilis
Littorina neritoides – synonym of Melaraphe neritoides
Littorina nervillei – synonym of Littorina saxatilis
Littorina obtusata var. aestuarii – synonym of Littorina obtusata
Littorina obtusata var. compacta – synonym of Littorina obtusata
Littorina patula – synonym of Littorina saxatilis
Littorina rudis var. compressa – synonym of Littorina nigrolineata
Littorina rudissima – synonym of Littorina saxatilis
Littorina saxatilis var. albida – synonym of Littorina saxatilis
Littorina saxatilis var. aurantia – synonym of Littorina saxatilis
Littorina saxatilis var. bynei – synonym of Littorina saxatilis
Littorina saxatilis var. compressa – synonym of Littorina saxatilis
Littorina saxatilis var. elata – synonym of Littorina saxatilis
Littorina saxatilis var. flammulata – synonym of Littorina saxatilis
Littorina saxatilis var. fulva – synonym of Littorina saxatilis
Littorina saxatilis var. fusca – synonym of Littorina saxatilis
Littorina saxatilis var. globosa – synonym of Littorina saxatilis
Littorina saxatilis var. laevis – synonym of Littorina saxatilis
Littorina saxatilis var. lineata – synonym of Littorina saxatilis
Littorina saxatilis var. lutea – synonym of Littorina saxatilis
Littorina saxatilis var. matoni – synonym of Littorina saxatilis
Littorina saxatilis var. miniata – synonym of Littorina saxatilis
Littorina saxatilis var. sanguinea – synonym of Littorina saxatilis
Littorina saxatilis var. similis – synonym of Littorina saxatilis
Littorina saxatilis var. tessellata – synonym of Littorina saxatilis
Littorina saxatilis var. trifasciata – synonym of Littorina saxatilis
Littorina sphaeroidalis – synonym of Littorina littorea
Littorina squalida – synonym of Littorina littorea
Littorina vittata – synonym of Littorina obtusata
Littorina vulgaris – synonym of Littorina littorea
Lobaria quadriloba – synonym of Philine aperta
Lobaria quadrilobata – synonym of Philine aperta
Loligo bartrami – synonym of Ommastrephes bartramii
Loligo coindetii – synonym of Illex coindetii
Loligo eblanae – synonym of Todaropsis eblanae
Loligo sagittatus – synonym of Todarodes sagittatus
Loligo subulatus – synonym of Alloteuthis subulata
Lomanotus berghi – synonym of Lomanotus genei
Lomanotus eisigii – synonym of Lomanotus genei
Lomanotus hancocki – synonym of Lomanotus genei
Lomanotus portlandicus – synonym of Lomanotus genei
Lomanotus varians – synonym of Lomanotus genei
Lomanotus varians – synonym of Lomanotus marmoratus
Lophyrus albus var. infuscata – synonym of Ischnochiton albus
Lora rufa – synonym of Oenopota rufa
Lora trevelliana – synonym of Oenopota trevelliana
Lora turricula – synonym of Oenopota turricula
Loripes lacteus var. angulata – synonym of Loripes lacteus
Loripes lacteus var. lenticularis – synonym of Loripes lacteus
Loripes lucinalis – synonym of Loripes lacteus
Lottia unicolor – synonym of Acmaea virginea
Lovenella whiteavesi – synonym of Cerithiella metula
Lucina amorpha – synonym of Myrtea spinifera
Lucina borealis var. depressa – synonym of Lucinoma borealis
Lucina borealis var. gibba – synonym of Lucinoma borealis
Lucina caduca – synonym of Mysia undata
Lucina commutata – synonym of Lucinella divaricata
Lucina desmarestii – synonym of Loripes lacteus
Lucina elata – synonym of Loripes lacteus
Lucina lactoides – synonym of Loripes lacteus
Lucina leucoma – synonym of Loripes lacteus
Lucina luteola – synonym of Loripes lacteus
Lucina sinuata – synonym of Thyasira flexuosa
Lucina spinifera var. gallensis – synonym of Myrtea spinifera
Lucina spinifera var. minor – synonym of Myrtea spinifera
Lucina spinifera var. zina – synonym of Myrtea spinifera
Lucinopsis undata var. aequalis – synonym of Mysia undata
Lucinopsis undata var. ventrosa – synonym of Mysia undata
Lucuna divaricata – synonym of Lacuna vincta
Lunatia alderi – synonym of Euspira pulchella
Lunatia catena – synonym of Euspira catena
Lunatia fusca – synonym of Euspira fusca
Lunatia montagui – synonym of Euspira montagui
Lunatia pallida – synonym of Euspira pallida
Lutraria elliptica – synonym of Lutraria angustior
Lutraria elliptica – synonym of Lutraria lutraria
Lutraria elliptica var. alterutra – synonym of Lutraria angustior
Lutraria elliptica var. angustior – synonym of Lutraria angustior
Lutraria elliptica var. latior – synonym of Lutraria lutraria
Lutraria lutraria var. panormensis – synonym of Lutraria lutraria
Lutraria oblonga – synonym of Lutraria lutraria
Lutraria vulgaris – synonym of Lutraria lutraria
Lyonsia norwegica var. major – synonym of Lyonsia norwegica
Lyonsiella compressa – synonym of Lyonsia norwegica