INFRACLASS HETEROBRANCHIA - SUPERFAMILY ACTEONOIDEA
INFRACLASS HETEROBRANCHIA - SUPERFAMILY MURCHISONELLOIDEA
INFRACLASS HETEROBRANCHIA - SUPERFAMILY RINGICULOIDEA
ORDER ANASPIDEA - SUPERFAMILY AKEROIDEA
ORDER ANASPIDEA - SUPERFAMILY APLYSIOIDEA
ORDER NUDIBRANCHIA - SUBORDER DEXIARCHIA
ORDER NUDIBRANCHIA - SUBORDER EUCTENIDIACEA
ORDER NUDIBRANCHIA - SUBORDER DEXIARCHIA - INFRAORDER CLADOBRANCHIA
ORDER NUDIBRANCHIA - SUBORDER EUCTENIDIACEA - INFRAORDER DORIDACEA
ORDER NUDIBRANCHIA - SUBORDER DEXIARCHIA - INFRAORDER CLADOBRANCHIA - PARVORDER AEOLIDIDA
ORDER NUDIBRANCHIA - SUBORDER DEXIARCHIA - INFRAORDER CLADOBRANCHIA - PARVORDER CLADOBRANCHIA

ORDER NUDIBRANCHIA - SUBORDER DEXIARCHIA - INFRAORDER CLADOBRANCHIA - PARVORDER DENDRONOTIDA

ORDER NUDIBRANCHIA - SUBORDER DEXIARCHIA - INFRAORDER CLADOBRANCHIA - PARVORDER EUARMINIDA

ORDER NUDIBRANCHIA - SUBORDER DEXIARCHIA - INFRAORDER CLADOBRANCHIA PARVORDER AEOLIDIDA - SUPERFAMILY Aeolidioidea

ORDER NUDIBRANCHIA - SUBORDER DEXIARCHIA - INFRAORDER CLADOBRANCHIA - PARVORDER AEOLIDIDA - SUPERFAMILY FIONOIDEA
ORDER NUDIBRANCHIA - SUBORDER DEXIARCHIA - INFRAORDER CLADOBRANCHIA - PARVORDER AEOLIDIDA - SUPERFAMILY FLABELLINOIDEA

ORDER NUDIBRANCHIA - SUBORDER DEXIARCHIA - INFRAORDER CLADOBRANCHIA - PARVORDER CLADOBRANCHIA

ORDER NUDIBRANCHIA - SUBORDER DEXIARCHIA - INFRAORDER CLADOBRANCHIA - PARVORDER CLADOBRANCHIA - SUPERFAMILY DORIDOXOIDEA

ORDER NUDIBRANCHIA - SUBORDER DEXIARCHIA - INFRAORDER CLADOBRANCHIA - PARVORDER DENDRONOTIDA - SUPERFAMILY TRITONIOIDEA

ORDER NUDIBRANCHIA - SUBORDER DEXIARCHIA - INFRAORDER CLADOBRANCHIA - PARVORDER EUARMINIDA - SUPERFAMILY ARMINOIDEA

ORDER NUDIBRANCHIA - SUBORDER EUCTENIDIACEA - INFRAORDER DORIDACEA - SUPERFAMILY DORIDOIDEA

ORDER NUDIBRANCHIA - SUBORDER EUCTENIDIACEA - INFRAORDER DORIDACEA - SUPERFAMILY ONCHIDORIDOIDEA
ORDER NUDIBRANCHIA - SUBORDER EUCTENIDIACEA - INFRAORDER DORIDACEA - SUPERFAMILY PHYLLIDIOIDEA

ORDER NUDIBRANCHIA - SUBORDER EUCTENIDIACEA - INFRAORDER DORIDACEA - SUPERFAMILY POLYCEROIDEA

ORDER NUDIBRANCHIA - SUBORDER EUCTENIDIACEA - INFRAORDER DORIDACEA - SUPERFAMILY DORIDOIDEA - FAMILY Dorididae

ORDER NUDIBRANCHIA - SUBORDER EUCTENIDIACEA - INFRAORDER DORIDACEA - SUPERFAMILY Polyceroidea - FAMILY Polyceridae

ORDER RUNCINANCEA
ORDER RUNCINANCEA - SUPERFAMILY RUNCINOIDEA
ORDER SACOGLOSSA - SUBORDER OXYNOACEA
ORDER SACOGLOSSA - SUBORDER PLAKOBRANCHACEA
ORDER SACOGLOSSA - SUBORDER OXYNOACEA - SUPERFAMILY CYLINDROBULLOIDEA
ORDER SACOGLOSSA - SUBORDER OXYNOACEA - SUPERFAMILY OXYNOOIDEA
ORDER SACOGLOSSA - SUBORDER PLAKOBRANCHACEA - SUPERFAMILY LIMAPONTIOIDEA
ORDER SACOGLOSSA - SUBORDER PLAKOBRANCHACEA - SUPERFAMILY PLAKOBRANCHOIDEA
ORDER THECOSOMATA - SUBORDER EUTHECOSOMATA
ORDER THECOSOMATA - SUBORDER PSEUDOTHECOSOMATA
ORDER THECOSOMATA - SUBORDER EUTHECOSOMATA - SUPERFAMILY Cavolinioidea
ORDER THECOSOMATA - SUBORDER EUTHECOSOMATA - SUPERFAMILY Cavolinioidea
ORDER THECOSOMATA - SUBORDER EUTHECOSOMATA - SUPERFAMILY Limacinoidea
ORDER THECOSOMATA - SUBORDER PSEUDOTHECOSOMATA - SUPERFAMILY Cymbulioidea
ORDER UMBRACULIDA
ORDER UMBRACULIDA - SUPERFAMILY UMBRACULLOIDEA