Histioteuthidae Verrill 1881

This monogeneric family is easily distinguished by large, anteriorly directed photophores over the surface of the mantle, head and amrs; a large head with the left eye considerably larger than the right; six or seven buccal lappets; buccal connectives that attached to the dorsal border of arms IV; a straight or slightly curved and slightly broad, simple, funnel locking-cartilage; suckers on the tentacular clubs arranged in four, or more commonly, more than four irregular rows; suckers on the arms biserial.