SUPERFAMILY OCTOPOTEUTHOIDEA BERRY, 1912

(NINE SPECIES)

Diagnosis: Medium or large adult-sized weakly or strongly muscled ammoniacal Oegopsida with buccal connectives attached to the ventral borders of ventral arms; with two series of arm suckers, some or all of which may be modified into hooks; adults without tentacles; the funnel–mantle locking apparatus straight, reaching the anterior margin of the mantle in some species; with secondary conus in the gladius; paralarval tentacle club characteristic, with small compact clubs with a few small and large suckers arranged in two series; with a characteristic mitogenome lacking the oegopsid duplicated genes cox1, cox2, atp6, atp8 and trnD from the duplicated gene block after nad3, with nad2 associated with rrnL as follows: ‘ −rrnL −trnY −trnW −trnG −trnE NC_0 cox3_1 trnK trnR trnS1 nad2 ’; and with rrnS associated with nad3 as follows: ‘ −rrnS −trnM −trnC −trnQ NC_1 cox3_0 trnA trnN trnI nad3 ’.