Sea daisy
| 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.