Image: Petroxestes pera Ordovician Ohio
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Original image (3,480 × 2,052 pixels, file size: 6.72 MB, MIME type: image/jpeg)
Description: Petroxestes pera, a bivalve boring on a hardground in the Whitewater Formation (Upper Ordovician), Caesar Creek Lake emergency spillway, Ohio.
Title: Petroxestes pera Ordovician Ohio
Credit: Own work
Author: Wilson44691
Usage Terms: Public domain
License: Public domain
Attribution Required?: No
Image usage
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