Keywords: Paleosabella4CS.jpg The boring Palaeosabella in an Ordovician bivalve shell The borings penetrated an inner aragonitic shell layer which dissolved away Photograph taken by Mark A Wilson Department of Geology The College of Wooster http //www wooster edu/geology/MWilson html en wikipedia 2007-12-26 Wilson44691 wikipedia en Wilson44691 Original upload log en wikipedia Paleosabella4CS jpg wikitable - 2007-12-26 21 58 688×443× 140031 bytes Wilson44691 <nowiki>Photograph taken by Mark A Wilson Department of Geology The College of Wooster http //www wooster edu/geology/MWilson html</nowiki> Uncategorized 2015 June 2 |