The Acorn worms or Enteropneusta are a hemichordate class of invertebrates. Acorn worms are classified in the phylum Hemichordata, closely related to the chordates.
Acorn worms are fragile tube worms that live in sand or mud burrows in the intertidal areas of the world's oceans. Acorn worms are members of the phylum Hemichordata, which ...
Elusive acorn worms are ocean’s vacuum cleaners. Last week, while snorkeling at the Kaneohe Bay Sand Bar, my friends and I discovered hundreds, maybe thousands, of ...