Ordo: Dentaliida
Familia: Gadilinidae
Genus: Gadilina
Genus: Episiphon
Familia: Fustiariidae
Genus: Fustiaria
Familia: Omniglyptidae
Genus: Omniglypta
Familia: Dentaliidae
Genus: Dentalium (merikihv)
Genus: Antalis
Genus: Coccodentalium
Genus: Compressidentalium
Genus: Eudentalium
Genus: Fissidentalium
Genus: Graptacme
Genus: Paradentalium
Genus: Pictodentalium
Genus: Plagioglypta
Genus: Schizodentalium
Genus: Striodentalium
Genus: Tesseracme
Familia: Calliodentaliidae
Genus: Calliodentalium
Familia: Laevidentaliidae
Genus: Laevidentalium
Familia: Rhabdidae
Genus: Rhabdus
Familia: Anulidentaliidae
Genus: Anulidentalium
Genus: Epirhabdoides
Ordo: Gadilida
Subordo: Entalimorpha
Familia: Entalinidae
Subfamilia: Bathoxiphinae
Genus: Bathoxiphus
Genus: Rhomboxiphus
Genus: Solenoxiphus
Subfamilia: Entalininae
Genus: Entalina
Subfamilia: Heteroschismoidinae
Genus: Heteroschismoides
Genus: Costentalina
Genus: Entalinopsis
Genus: Pertusiconcha
Genus: Spadentalina
Subordo: Gadilimorpha
Familia: Pulsellidae
Genus: Pulsellum
Genus: Annulipulsellum
Genus: Striopulsellum
Familia: Wemersoniellidae
Genus: Wemersoniella
Genus: Chistikovia
Familia: Gadilidae 1
Subfamilia: Gadilinae
Genus: Gadila
Genus: Bathycadulus
Genus: Cadulus
Subfamilia: Siphonodentaliinae
Genus: Siphonodentalium
Genus: Dischides
Genus: Polyschides
Genus: Sagamicadulus
Genus: Striocadulus
1 - siia sugukonda kuuluvad ka perekonnad Compressidens ja Megaentalina, kuid täpsem paigutus süsteemis on ebaselge (Steiner & Kabat 2001).