1. Calymenid and other Ordovician trilobites from Kentucky and Ohio Author/Creator: Ross, Reuben James, 1918- Publication/Creation: Washington : U.S. Govt. Print. Off, 1967 Resource Type: Book Is Part Of: U.S. Geological Survey professional paper, no. 581-584. Access & Availability: Loading
2. Cambrian - early Ordovician brachiopods from Malyi Karatau, the western Balkhash region, and Tien Shan, Central Asia Author/Creator: Holmer, Lars E. Publication/Creation: London : Palaeontological Association, 2001 Resource Type: Book Access & Availability: Loading
3. The Cambrian-Ordovician boundary : sections, fossil dis-tributions and correlations Author/Creator: Bassett, Michael G. Publication/Creation: Cardiff, Wales : National Museum of Wales, 1982 Resource Type: Book Access & Availability: Loading
4. The cephalopods of the Bighorn formation of the Wind River mountains of Wyoming Author/Creator: Miller, A. K. 1902-1963. (Arthur K.) Publication/Creation: New Haven, Conn. : Connecticut Academy of Arts and Sciences, [1932] Resource Type: Book Access & Availability: Loading
5. Chitinozoa from the Ordovician Viola and Fernvale limestones of the Arbuckle Mountains, Oklahoma Author/Creator: Jenkins, W. A. M. Publication/Creation: London : Palaeontological Association, [1969] Resource Type: Book Access & Availability: Loading
6. Cincinnati fossils : an elementary guide to the Ordovician rocks and fossils of the Cincinnati, Ohio, region Publication/Creation: Cincinnati, Ohio (1720 Gilbert Ave., Cincinnati 45202) : Cincinnati Museum of Natural History, [1981] Resource Type: Book Access & Availability: Loading
7. Conodonts from subsurface Champlainian (Ordovician) rocks of eastern Indiana Author/Creator: Ethington, Raymond Lindsay, 1929- Publication/Creation: Bloomington, Ind. : Indiana Department of Natural Resources, Geological Survey, 1986 Resource Type: Book Access & Availability: Loading
8. Conodonts of the Trenton group (Ordovician) in New York, Southern Ontario, and Quebec Author/Creator: Schopf, Thomas J. M. Publication/Creation: Albany : University of the State of New York, 1966 Resource Type: Book Is Part Of: Museum bulletin (New York State Museum), no. 402-407. Access & Availability: Loading
9. Contributions to the Ordovician paleontology of Kentucky and nearby states Publication/Creation: Washington : United States Department of the Interior, Geological Survey, 1979 Resource Type: Book Access & Availability: Loading
10. Contributions to the Ordovician paleontology of Kentucky and nearby states Publication/Creation: For sale by the Supt. of Docs., U.S. Govt. Print. Off Resource Type: Book Is Part Of: U.S. Geological Survey professional paper, no. 1066 A-N. Access & Availability: Loading