Keywords: Receptaculitid.JPG A fossil receptaculitid considered a member of the Order Dasycladales; Ordovician of Estonia own enwiki 2006-06-26 Mark A Wilson Department of Geology The College of Wooster http //www3 wooster edu/geology/MWilson html Wilson44691 original upload log page en wikipedia Receptaculitid JPG 2007-11-05 01 30 Wilson44691 1500×1016×8 387683 bytes <nowiki>Photograph taken by Mark A Wilson Department of Geology The College of Wooster http //www3 wooster edu/geology/MWilson html</nowiki> Ordovician fossils from Estonia Dasycladales fossils |