Bergh, 1878
Cryptobranchiate, broad doridaceans with an ample mantle skirt. The dorsal mantle bears abundant spiculose tubercles. Rhinophores lamellate with tuberculate pits. Branchial pocket lacking flap-like valves. Head with short oral tentacles.
The penis is armed with numerous hooked spines. The buccal mass does not possess a buccal pump. The oral cuticle is flimsy and lacks microscopic substructure. Radula
n .0.n , the teeth greatly elongated, fragile, and armed with a denticulate fringe.
Source: Thompson, 1988.
The following species occurs in the region:
Aldisa zetlandica