Isotelus

About it

Large Ordovician trilobite with smooth, broad head and tail shields and eight body segments; one species passed 70 centimetres. Ohio's state fossil, found around Cincinnati, in New York, and in Manitoba.

Type

Fossil (arthropod)

Group

Trilobite (arthropod)

Colours

grey, brown, tan

Transparency

opaque

Periods

Ordovician

Typical values: real specimens vary. For more, see mindat.org.