Petraster
| Petraster Temporal range:
| |
|---|---|
| |
| Petraster sp. | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Echinodermata |
| Class: | Asteroidea |
| Genus: | † Billings, 1858 |
| Species[1] | |
| |
| Synonyms[2] | |
| |
Petraster is a genus of extinct starfish that lived from the upper Ordovician to the late Silurian.[2][3] The genus has a large distribution range, fossils have been found in North America, and Australia.[3]

References
- ^ "Petraster". Global Biodiversity Information Facility. Retrieved 22 December 2021.
- ^ a b "Petraster". Paleobiology Database. Retrieved 22 December 2021.
- ^ a b "Petraster †". mindat.org.
