9242251f_Onychoteuthidae__Marginal_suckers_on_manus
[Genus] Ancistroteuthis [Photophores] Absent1 [Secondary occipital folds] Six or seven [Structure of mantle epidermis] Smooth [Fins] Rhombic to sagittate [Terminal pad suckers] 15–19 [Rachidian] Tricuspid [Marginal suckers on manus] 
Absent at maturity
Onychoteuthidae
Marginal suckers on manus