Starfish
Fossil
Also called Sea star and Asteroid
About it
Five-armed echinoderms, rare as fossils because their skeleton falls apart soon after death. Ordovician ones from Morocco and pyritized Devonian ones from the Hunsrück Slate of Germany are the best known.
- Type
- Fossil (echinoderm)
- Group
- Asteroid (echinoderm)
- Colours
- grey, brown, tan, gold
- Transparency
- opaque
- Periods
- Ordovician, Devonian, Jurassic
Typical values: real specimens vary. For more, see mindat.org.