Rostrochonch Fossils

From Ohio History Central
Revision as of 15:49, 23 May 2013 by Admin (Talk | contribs)

(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)

Rostrochonchs are a class of mollusks that until fairly recently were classified as clams, which they resemble. They range from Cambrian to Permian and are found in Ordovician, Devonian, Mississippian, and Pennsylvanian rocks.