: a genus of marine burrowing wormlike animals that because of certain vertebratelike characters are not usually classed as chordates and made with certain closely related forms (such as Dolichoglossus) to constitute an order (Enteropneusta) of the Hemichorda
First Known Use of Balanoglossus
1873, in the meaning defined above
History and Etymology for Balanoglossus
New Latin, from balan- + -glossus (from Greek glōssa tongue)