Keywords: Catellocaula.jpg Catellocaula vallata bioclaustration; Ordovician of Ohio Photograph taken by Mark A Wilson Department of Geology The College of Wooster http //www3 wooster edu/geology/MWilson html 2008-01-13 Wilson44691 wikipedia en Wilson44691 original upload log page en wikipedia Catellocaula jpg 2008-01-13 23 56 Wilson44691 480×434×8 172286 bytes <nowiki>Photograph taken by Mark A Wilson Department of Geology The College of Wooster http //www3 wooster edu/geology/MWilson html</nowiki> Tunicata Trace fossils Ordovician Cincinnatian Objects with black background |