Description
Archimedes sp.
Mississippian
Borden Formation
Big Hill, KY USA.
Excellent 231mm slab with 5 Archimedes, longest is 135mm.
Bryozoan.
Archimedes is a genus of fenestrate bryozoan which lived in colonies. It is almost always found as fragments, screw-shaped parts of a mesh no longer connected to the central body. It lived from the Mississippian to Permian of North America, Europe, and Australia.