Isolation and characterization of the earliest taxon-specific organic molecules (Mississippian, Crinoidea)

Research Article| March 01, 2013 Isolation and characterization of the earliest taxon-specific organic molecules (Mississippian, Crinoidea) Christina E. O’Malley; Christina E. O’Malley School of Earth Sciences, The Ohio State University, 155 South Oval Mall, Columbus, Ohio 43210, USA Search for other works by this author on: GSW Google Scholar William I. Ausich; William I. Ausich School of Earth Sciences, The Ohio State University, 155 South Oval Mall, Columbus, Ohio 43210, USA Search for other works by this author on: GSW Google Scholar Yu-Ping Chin Yu-Ping Chin School of Earth Sciences, The Ohio State University, 155 South Oval Mall, Columbus, Ohio 43210, USA Search for other works by this author on: GSW Google Scholar Author and Article Information Christina E. O’Malley School of Earth Sciences, The Ohio State University, 155 South Oval Mall, Columbus, Ohio 43210, USA William I. Ausich School of Earth Sciences, The Ohio State University, 155 South Oval Mall, Columbus, Ohio 43210, USA Yu-Ping Chin School of Earth Sciences, The Ohio State University, 155 South Oval Mall, Columbus, Ohio 43210, USA Publisher: Geological Society of America Received: 26 Jun 2012 Revision Received: 26 Sep 2012 Accepted: 29 Sep 2012 First Online: 09 Mar 2017 Online ISSN: 1943-2682 Print ISSN: 0091-7613 © 2013 Geological Society of America Geology (2013) 41 (3): 347–350. https://doi.org/10.1130/G33792.1 Article history Received: 26 Jun 2012 Revision Received: 26 Sep 2012 Accepted: 29 Sep 2012 First Online: 09 Mar 2017 Cite View This Citation Add to Citation Manager Share Icon Share Facebook Twitter LinkedIn Email Permissions Search Site Citation Christina E. O’Malley, William I. Ausich, Yu-Ping Chin; Isolation and characterization of the earliest taxon-specific organic molecules (Mississippian, Crinoidea). Geology 2013;; 41 (3): 347–350. doi: https://doi.org/10.1130/G33792.1 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 SocietyGeology Search Advanced Search Abstract Biomarkers and other ancient preserved molecules are rapidly being discovered and used to study the evolution of life on Earth. We report the existence of echinoderm-specific organic molecules from different lower Mississippian (340 Ma) crinoid species that occur in the same sedimentary bed. These are the oldest examples of biomarker molecules extracted directly from fossilized remains. These biomarker molecules appear to resemble aromatic or polyaromatic quinones, based upon ultraviolet and visible light spectroscopy, fluorescence excitation-emission matrix spectroscopy, and electrospray ionization time-of-flight mass spectrometry. Results suggest that the preservation of diagnostic organic molecules is much more common that previously realized, and that preserved organic molecules may provide an independent method to unravel phylogenetic relationships among echinoderms and, perhaps, other fossilized organisms. You do not have access to this content, please speak to your institutional administrator if you feel you should have access.