Keywords: OysterBall.JPG Ostreolith oyster ball from the Carmel Formation Jurassic of southwestern Utah Photograph taken by Mark A Wilson Department of Geology The College of Wooster http //www3 wooster edu/geology/MWilson html 2007-10-14 Wilson44691 wikipedia en Wilson44691 original upload log page en wikipedia OysterBall JPG 2007-10-14 19 06 Wilson44691 1224×1130×8 381902 bytes <nowiki>Photograph taken by Mark A Wilson Department of Geology The College of Wooster http //www3 wooster edu/geology/MWilson html</nowiki> 2007-10-14 19 02 Wilson44691 1600×1200×8 517905 bytes <nowiki>Photograph taken by Mark A Wilson Department of Geology The College of Wooster http //www wooster edu/geology/MWilson html</nowiki> Ostreidae Carmel Formation Fossils of Utah Jurassic fossils from the United States Ostreidae fossils Fossils on black background Jurassic Mollusca |