Body (excluding appendages) [image7]
Up to 10mm long. Translucent whitish epidermis, but overall brown appearance because of large areas of dark brown surface pigment and orange-brown viscera showing through unpigmented parts. Conspicuous pale unpigmented subdorsal line on either side linking bases of rhinophore sheath and cerata.
Single row of up to five each side of body leaving dorsum fully exposed . No cnidosacs at tips. Translucent whitish, revealing orange-brown internal digestive gland which extends two thirds the way up. Each ceras has only 2 or 3 concentric rings of elongated, internally white, tubercles and a very long terminal tubercle . Cerata have many dark brown rounded, but rarely circular, pigment marks and streaks on the surface.
Smooth, translucent white with some white surface pigment spots. Arise from a translucent white narrow basal sheath with dilated smooth rim.
No oral tentacles, but front margin expanded laterally into large lobes .
Sole brownish white . No propodial expansion (but large oral lobes).