the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > class Gastropoda > [noun] > superorder Branchifera > order Opisthobranchiata > suborder Nudibranchiata > member of (3)
A marine gastropod mollusc of the order Nudibranchia, having a bilaterally symmetrical, often brightly coloured body, with no shell or mantle…
= nudibranch, n. Now rare.