Keywords: OrdovicianEdrio.jpg Edrioasteroid Cystaster stellatus with the bryozoa genus Corynotrypa from the Ordovician of northern Kentucky <br />Refs Taylor P D and Wilson M A 1994 Corynotrypa from the Ordovician of North America colony growth in a primitive stenolaemate bryozoan Journal of Paleontology 68 pp 241-257 Wilson M A 1985 Disturbance and ecologic succession in an Upper Ordovician cobble-dwelling hardground fauna Science 228 pp 575-577 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 OrdovicianEdrio jpg 2007-10-14 03 12 Wilson44691 900×680×8 201789 bytes <nowiki>Photograph taken by Mark A Wilson Department of Geology The College of Wooster http //www3 wooster edu/geology/MWilson html</nowiki> Bryozoa fossils Corynotrypa Edrioasteroidea fossils Cystaster Cincinnatian |