Cephalodiscida
| Cephalodiscida | |
|---|---|
 | |
| Cephalodiscus dodecalophus | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Hemichordata |
| Class: | Pterobranchia |
| Order: | Cephalodiscida |
| Families | |
|
Atubaridae | |
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
- Genus Atubaria
- Family Cephalodiscidae
- Genus Cephalodiscus
References
- ↑ animaldiversity.ummz.umich.edu Archived June 29, 2011, at the Wayback Machine.
- ↑ 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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