| Sea daisies | |
|---|---|
| |
| Xyloplax janetae | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Echinodermata |
| Class: | Asteroidea |
| Infraclass: | Concentricycloidea Baker, Rowe & Clark, 1986 |
| Order: | Peripodida Baker, Rowe & Clark, 1986 |
| Family: | Xyloplacidae Baker, Rowe & Clark, 1986 |
| Genus: | Xyloplax Baker, Rowe & Clark, 1986 |
| Species | |
Sea daisies (infraclass Concentricycloidea; order Peripodida) make up an unusual group of deep-sea taxa belonging to the phylum Echinodermata, with three species described in the genus Xyloplax. Intestine and anus are absent.