1) Invertebrate 
Phoronids (scientific name Phoronida, sometimes called horseshoe worms) are a phylum of marine animals that filter-feed with a lophophore (a `crown` of tentacles), and build upright tubes of chitin to support and protect their soft bodies. They live in most of the oceans and seas including the Arctic Ocean but excluding the Antarctic Ocean, and .....
[n] - hermaphrodite wormlike animal living in mud of the sea bottom
noun hermaphrodite wormlike animal living in mud of the sea bottom