Physical Characteristics

Has two series of suckers. Structures (when present) on dorsal surfaces of mantle, head, arms not star-shaped cartilaginous tubercles. Funnel organ is W-shaped. Ink sac present. No ocelli between eye and bases of lateral arms. Has 9-11 gill lamellae on each outer demibranch. Mantle opening is wide. Dorsal arms are shortest; lateral arms longer than ventral arms; ven-trolateral arms only slightly longer than dorsolateral arms.

Character states for distinguishing among species in this group await publication of redescriptions.

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