Phacops
Fossil
Also called Eldredgeops, Eldredgeops rana, and Phacops rana
About it
Devonian trilobite with big, bug-like eyes of separate rounded lenses and a swollen, bumpy head, often found rolled up. Phacops rana, now Eldredgeops, is Pennsylvania's state fossil; Morocco and Ohio's Silica Shale supply many.
- Type
- Fossil (arthropod)
- Group
- Trilobite (arthropod)
- Colours
- grey, brown, black, tan
- Transparency
- opaque
- Periods
- Devonian
Typical values: real specimens vary. For more, see mindat.org.