Knightia
Fossil
Also called Knightia eocaena
About it
Small Eocene herring, mostly 5 to 15 centimetres, the commonest Green River fish and Wyoming's state fossil. Dug from private quarries near Kemmerer; collecting is banned in Fossil Butte National Monument.
- Type
- Fossil (vertebrate)
- Group
- Fish (vertebrate)
- Colours
- brown, orange-brown, black, on cream or tan shale
- Transparency
- opaque
- Periods
- Paleogene
Typical values: real specimens vary. For more, see mindat.org.