Melibe is Nudibranch.
For more information see the Scholarpedia entry on Melibe.
The Melibe ontology is similar to the Tritonia Ontology.
Drawing Melibe ganglia showing the location and names of nerves. C = Cerebral Ganglion, P = Pleural Ganglion, PD = Pedal Ganglion, T = Tentacular Ganglion, S = statocyst, CBC = Cerebrobuccal connective, PC = Pedal connective, PPC = Parapedal Connective
image of a Melibe leonina