Cephalodiscida
| Cephalodiscida | |
|---|---|
 |
|
| Cephalodiscus dodecalophus | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Hemichordata |
| Class: | Pterobranchia |
| Order: | Cephalodiscida |
| Families | |
Cephalodiscida is one of two orders in the class Pterobranchia, which are small, worm-shaped animals. Members belong to the hemichordates. Species in this order are sessile, living in clear water and secrete tubes on the ocean floor.
The order is a small one, with only two known families, each containing a single genus.
Order Cephalodiscida
4. Harmer. S. F. 1905. The Pterobranchia ol the Siboga-Expedition. Siboga Exped .Monogr. 26. 1-131
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