| Valvatida | |
|---|---|
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| A firebrick starfish | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Echinodermata |
| Class: | Asteroidea |
| Superorder: | Valvatacea |
| Order: | Valvatida Perrier, 1884 |
Valvatida is a large order of starfish in the class Asteroidea. That class contains 695 species in 172 genera in 17 families. Some species in this order are able to grow up to 75 centimeters long meanwhile some species being a few millimeters long instead. The species in the order are very widespread with each species having a unique colour like purple, pink, or red. Just like most starfish, most of the species have 5 legs.