Trapania pallida Kress, 1968.
White body with opaque white markings.
1: single, backward pointing, elongate papilla at base of each rhinophore.
2: single elongate papilla on either side of the gills.
3: long propodial tentacle.
4: no veil with elongate processes on anterior edge of head.
5: long oral tentacles.
Cornwall. February 2015 © D. Fenwick.