Other| December 01, 2003 Paleoecologic Associations and Secondary Tiering of Cornulites on Crinoids and Bivalves in the Upper Ordovician (Cincinnatian) of Southwestern Ohio, Southeastern Indiana, and Northern Kentucky ROBERT W. MORRIS; ROBERT W. MORRIS 1Department of Geology, Wittenberg University, Springfield, OH 45501, rmorris@wittenberg.edu Search for other works by this author on: GSW Google Scholar STEPHEN H. FELTON STEPHEN H. FELTON 25678 Biscayne Avenue, Cincinnati, OH 45248 Search for other works by this author on: GSW Google Scholar Author and Article Information ROBERT W. MORRIS 1Department of Geology, Wittenberg University, Springfield, OH 45501, rmorris@wittenberg.edu STEPHEN H. FELTON 25678 Biscayne Avenue, Cincinnati, OH 45248 Publisher: SEPM Society for Sedimentary Geology Accepted: 28 Jul 2003 First Online: 03 Mar 2017 Online ISSN: 1938-5323 Print ISSN: 0883-1351 Society for Sedimentary Geology PALAIOS (2003) 18 (6): 546–558. https://doi.org/10.1669/0883-1351(2003)018<0546:PAASTO>2.0.CO;2 Article history Accepted: 28 Jul 2003 First Online: 03 Mar 2017 Cite View This Citation Add to Citation Manager Share Icon Share Facebook Twitter LinkedIn MailTo Tools Icon Tools Get Permissions Search Site Citation ROBERT W. MORRIS, STEPHEN H. FELTON; Paleoecologic Associations and Secondary Tiering of Cornulites on Crinoids and Bivalves in the Upper Ordovician (Cincinnatian) of Southwestern Ohio, Southeastern Indiana, and Northern Kentucky. PALAIOS 2003;; 18 (6): 546–558. doi: https://doi.org/10.1669/0883-1351(2003)018<0546:PAASTO>2.0.CO;2 Download citation file: Ris (Zotero) Refmanager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex toolbar search Search Dropdown Menu toolbar search search input Search input auto suggest filter your search All ContentBy SocietyPALAIOS Search Advanced Search Abstract The stems of once-living Ordovician crinoids, especially the genera Ectenocrinus, Iocrinus, and Cincinnaticrinus, provided suitable attachment sites for the growth and development of both individuals and clusters of Cornulites—a tubiculous, suspension-feeding, worm-like organism. This association of cornulitids as opportunistic secondary tierers on crinoids was common from the Late Edenian into the Maysvillian in the Kope and Fairview portions of the Cincinnatian Series in the Cincinnati Arch area and less common in the Richmondian. Cornulitids utilizing this elevated location avoided some of the turbidity problems associated with an unstable, muddy substrate, and benefited from their ability to feed at a higher tier level. Several specimens of the byssate clam Ambonychia document the presence of Cornulites as secondary, low-level tierers on these bivalves, mainly during the Richmondian. Cornulitids positioned themselves on these ambonychiids to take advantage of feeding currents generated by the host. Cornulitids were also epizoans on the epifaunal clam Caritodens. You do not have access to this content, please speak to your institutional administrator if you feel you should have access.