Fossil fish
Fossil
About it
Fish skeletons pressed flat in fine shale or curled inside nodules. Wyoming's Green River Formation, Brazil's Santana nodules, and Lebanon's limestone supply most; Brazil bans fossil export, and US federal land needs a permit.
- Type
- Fossil (vertebrate)
- Group
- Fish (vertebrate)
- Colours
- brown, black, orange-brown, on tan or grey rock
- Transparency
- opaque
- Periods
- Devonian, Cretaceous, Paleogene
Typical values: real specimens vary. For more, see mindat.org.