Suborder: Degopsida

(4-3-5-1a-0-0-0-0-0-0-0-0-0)
Ref. Vaught, 1989 p x

Families:
ARCHITEUTHIDAE
BATHYTEUTHIDAE
BATOTEUTHIDAE
BRACHIOTEUTHIDAE
CHIROTEUTHIDAE
CRANCHIIDAE
CTENOPTERYGIDAE
CYCLOTEUTHIDAE
ENOPLOTEUTHIDAE
GONATIDAE
GRIMALDITEUTHIDAE
HISTIOTEUTHIDAE
JOUBINITEUTHIDAE
LEPIDOTEUTHIDAE
LYCOTEUTHIDAE
MASTIGOTEUTHIDAE
NEOTEUTHIDAE
OCTOPOTEUTHIDAE
OMMASTREPHIDAE
ONYCHOTEUTHIDAE
PROMACHOTEUTHIDAE
PSYCHROTEUTHIDAE
THYSANOTEUTHIDAE
WALVISTEUTHIDAE
Ref. Vaught, 1989 p x