Object ID:
1919.17.43
Collection:
Carr Natural History
Object Name:
Fossil
Dimensions:
H-2.3 W-5.7 L-8 cm
Kingdom:
Animalia (Animals)
Phylum:
Cnidaria
Description:
Polished stone comprised of a colony of rugose (horn) corals. Hexagonaria percarinata
State Stone of Michigan. The specimen has been partially polished.
State Stone of Michigan. The specimen has been partially polished.
Class:
Anthozoa
Genus:
Hexagonaria
VE Exhibit Label 1:
Commonly referred to as a petosky stone this fossil is a group of colonial horn coral of the species Hexagonaria percarinata. When fossilized they remain soft enough that the "stone" can be polished by hand. The petosky stone is also the state stone of Michigan.
Species:
percarinata
Fossilization:
Replacement
Period:
Devonian
Formation:
Gravel Point Formation
Site Name:
Petoskey, Michigan
Click to Enlarge
1919.17.43
1919.17.43