Taonidium pfefferiÊ – synonym of Galiteuthis armata
Taonius megalops – synonym of Teuthowenia megalops
Tetrapurena ophiogaster – synonym of Dipurena ophiogaster
Thalia democratica f. typica – synonym of Thalia democratica
Thalia democratica ssp. democratica – synonym of Thalia democratica
Thalia democratica var. orientalis – synonym of Thalia democratica
Thaumanthias ? corynetes – synonym of Gossea corynetes
Thaumantias confluens – synonym of Laodicea undulata
Thaumantias mediterranea – synonym of Laodicea undulata
Thaumantias melanops – synonym of Tiaropsis multicirrata
Thaumantias multicirrata – synonym of Tiaropsis multicirrata
Thaumantias pilosella – synonym of Cosmetira pilosella
Thaumantias quadrata – synonym of Phialella quadrata
Thaumantias undulata – synonym of Laodicea undulata
Themisto bispinosa – synonym of Themisto compressa
Thysanoessa aberdonensis – synonym of Thysanoessa inermis
Thysanoessa borealis – synonym of Thysanoessa inermis
Thysanoessa inermis – synonym of Thysanoessa inermis
Thysanoessa raschii – synonym of Thysanoessa raschi
Thysanoessa tenera – synonym of Thysanoessa longicaudata
Thysanopoda (?) amblyops – synonym of Bentheuphausia amblyops
Thysanopoda (?) raschii – synonym of Thysanoessa longicaudata
Thysanopoda bidentata – synonym of Euphausia krohni
Thysanopoda couchii – synonym of Nyctiphanes couchi
Thysanopoda distinguenda – synonym of Thysanopoda microphtalma
Thysanopoda dubia – synonym of Thysanopoda acutifrons
Thysanopoda johnstoni – synonym of Thysanopoda acutifrons
Thysanopoda krohnii – synonym of Euphausia krohni
Thysanopoda longicaudata – synonym of Thysanoessa longicaudata
Thysanopoda nana – synonym of Meganyctiphanes norvegica
Thysanopoda neglecta – synonym of Thysanoessa inermis
Thysanopoda norvegica – synonym of Meganyctiphanes norvegica
Thysanopoda pectinata – synonym of Thysanopoda acutifrons
Tiarops indicans – synonym of Eutonina indicans
Tiarops polydiademata – synonym of Mitrocomella polydiademata
Tiaropsis diademata – synonym of Tiaropsis multicirrata
Tiaropsis polydiademata – synonym of Mitrocomella polydiademata
Tiarula coeca – synonym of Amphinema dinema
Tima plana – synonym of Helgicirrha schulzei
Tima willi – synonym of Eirene viridula
Todaropsis veranyiÊ – synonym of Illex coindetti
Todaropsis veranyiÊ – synonym of Todaropsis eblanae
Tracheloteuthis riiseiÊ – synonym of Brachioteuthis riisei
Triphora adversa – synonym of Cheirodonta pallescens
Triphora pallescens – synonym of Cheirodonta pallescens
Triphora perversa – synonym of Cheirodonta pallescens
Trissocoma brownei – synonym of Mitrocomella brownei
Tryphaena Boeckii – synonym of Tryphana malmi
Tryphaena Nordenskiöldii – synonym of Tryphana malmi
Tubularia dumortieri – synonym of Ectopleura dumortieri
Turbo ulvae – synonym of Hydrobia ulvae
Turris breviconis – synonym of Leuckartiara breviconis
Turris coeca – synonym of Neoturris pileata
Turris digitale – synonym of Neoturris pileata
Turritopsis polynema – synonym of Turritopsis nutricula
Tyaropsis scotia – synonym of Tiaropsis multicirrata
Tyro clausii – synonym of Scina borealis