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Acidaspis cincinnatiensis Dillsboro Formation Dearborn County, IN Ordovician Here is an absolutely killer Acidaspis cincinnatiensis sitting atop a Rafinesquina ponderosa brachiopod. The Acidaspis measures about 1" and is almost perfectly articulated. This is a rare association piece.
Here is an absolutely killer Acidaspis cincinnatiensis sitting atop a Rafinesquina ponderosa brachiopod. The Acidaspis measures about 1" and is almost perfectly articulated. This is a rare association piece.
