Origin of nudibranch
Examples from the Web for nudibranch
Historical Examples of nudibranch
Ancylodoris, the only fresh-water Nudibranch, from Lake Baikal.
Flat against the stone and not easily perceived may be a chiton, a planarian worm, or a nudibranch.
In Doris we find a quite different type of nudibranch from that presented by the two genera Dendronotus and olis.