Ventral arms are elongated. Tentacles are vermiform (wormlike); clubs not expanded or only slightly expanded; moderate in length to very elongate with minute suckers in many series. Funnel locking apparatus is oval with knobs affecting the shape. Fins are very large and positioned mostly behind the muscular part of the mantle. This cephalopod is weakly muscled and reddish in color; much of the red pigment is not located in chromatophore organs but is dispersed among other cells in the organism's skin.
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