Keywords: Schizodus medinaensis.JPG en Schizodus medinaensis; a bivalve from the Logan Formation in Wooster Ohio internal mold Photograph taken by Mark A Wilson Department of Geology The College of Wooster http //www wooster edu/geology/MWilson html en wikipedia 2007-10-21 Wilson44691 wikipedia en Wilson44691 Original upload log en wikipedia Schizodus+medinaensis JPG wikitable - 2007-10-21 18 18 1692×1407× 733932 bytes Wilson44691 <nowiki>Photograph taken by Mark A Wilson Department of Geology The College of Wooster http //www wooster edu/geology/MWilson html</nowiki> Schizodus |