Acorn worm
Acorn worm is burrowing marine animal. It is a wormlike invertebrate creature that is found in shallow waters. It has a proboscis, a collar, and a long trunk with gill slits. The structure of its body is notochordlike.There are about 90 species of acorn worm in the world.
Nearby pages
Acorn-shells, Acorus calamus, Acotyledon, Acoustic, Acoustic impedance