FAMILY JOUBINITEUTHIDAE NAEF, 1922

(ONE SPECIES)

Diagnosis: Medium adult-sized Chiroteuthoidea with suckers in six series in dorsal, dorsolateral and ventrolateral arms and four in ventral arms; dorsal, dorsolateral and ventrolateral arms extremely long; tentacle clubs laterally compressed and with five or six basal series increasing in number to the eight to 12 series of the distal club; head with a long brachial pillar; funnel–mantle locking apparatus with an oval depression; without photophores; slender, long tail with membranous appendages.