Echinodermata
Klein 1734
Taxonomy
Superphylum | Deuterostomia |
Phylum | Echinodermata |
Size
- Variable due to species and stage of larval development.
Description
- Greek term for ‘spiny skin’.
- Approximately 7,000 living species.
- Includes starfish, brittle stars, sea urchins, sand dollars, sea cucumbers and feather stars.
Distribution
- Worldwide.
- All depths.
Ecology
- Meroplankton.
- Metamorphosis is rapid.