Cephalodiscida

Cephalodiscida
	Cephalodiscus dodecalophus
Scientific classification
Kingdom:	Animalia
Phylum:	Hemichordata
Class:	Pterobranchia
Order:	Cephalodiscida
Families
	Atubaridae; Cephalodiscidae

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]

Taxonomy

The order is a small one, with only two known families, each containing a single genus.

Order Cephalodiscida

Family Atubaridae
- Genus Atubaria
  - Species Atubaria heterolopha Sato, 1935
Family Cephalodiscidae
- Genus Cephalodiscus

References

^ animaldiversity.ummz.umich.edu
^ Eol.org
^ Shipley, A.E. (1902). Zoology: An Elementary Textbook. Cambridge: Cambridge University Press.

4. Harmer. S. F. 1905. The Pterobranchia ol the Siboga-Expedition. Siboga Exped .Monogr. 26. 1-131

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[1] versity.ummz.umich.edu

[2] Eol.org

[3] Shipley, A.E. (1902). Zoology: An Elementary Textbook. Cambridge: Cambridge University Press.

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