Cephalodiscida

Cephalodiscida
Cephalodiscus dodecalophus
Scientific classification
Kingdom:
Animalia
Phylum:
Hemichordata
Class:
Pterobranchia
Order:
Cephalodiscida

Fowler, 1892
Families
Synonyms
  • Atubaridae Sato 1936
  • Eocephalodiscidae Kozlowski 1949
  • Melanostrophidae Zessin & von Puttkamer 1994

Cephalodiscida is one of two orders in the class Pterobranchia, which are small, worm-shaped animals. Members belong to the hemichordates.[1][2] Species in this order are sessile, living in clear water and secrete tubes on the ocean floor.[3]

  1. ^ animaldiversity.ummz.umich.edu Archived June 29, 2011, at the Wayback Machine
  2. ^ Eol.org
  3. ^ Shipley, A.E. (1902). Zoology: An Elementary Textbook. Cambridge: Cambridge University Press.