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"The living animals (Fig. 1C) are dark brown to black. The parapodia are lined with a series of longitudinal lines. The innermost line is black followed by lines of orange, black and bright blue. The head and rhinophores are black. The apical half of the rhinophores has varying amounts of opaque white pigment. Black, orange and blue lines are also present along the anterior margin of the foot.
The branching of the [dorsal] vessels was examined in three specimens. In two animals, there is only a single pair of posterior vessels with seperate orgins from the pericardium. In the third specimen, there is a second pair of lateral vessels. The lateral vessels are bifurcate. The posterior vessels may be unbranched or may have a few short branches." (Gosliner, 1995, The Proceedings of the California Academy of Sciences, 49(1), p. 11)