Calymene
Fossil
Also called Dudley bug and Dudley locust
About it
Trilobite with a knobby, rounded head and 13 body segments that often rolled up. Calymene blumenbachii, the Dudley bug, is Silurian from England; the Ordovician "Calymene" of Ohio and Kentucky are usually Flexicalymene.
- Type
- Fossil (arthropod)
- Group
- Trilobite (arthropod)
- Colours
- grey, brown, tan
- Transparency
- opaque
- Periods
- Ordovician, Silurian, Devonian
Typical values: real specimens vary. For more, see mindat.org.