1. Teiichispira, a new early Ordovician gastropod genus Author/Creator: Yochelson, Ellis L. 1928-2006, (Ellis Leon), author Publication/Creation: Washington : United States Department of the Interior, Geological Survey, 1968 Format: Book Access & Availability: Loading
2. Teiichispira, a new early Ordovician gastropod genus, Author/Creator: Yochelson, Ellis L. 1928-2006. (Ellis Leon) Publication/Creation: Washington : U.S. Govt. Print. Off, 1968 Format: Book Is Part Of: U.S. Geological Survey professional paper, no. 611-614. Access & Availability: Loading
3. Trepostome and cystoporate bryozoans from the Lexington limestone and the Clays Ferry formation (Middle and Upper Ordovician) of Kentucky Author/Creator: Karklins, Olgerts L., 1924- author Publication/Creation: Washington : United States Department of the Interior, Geological Survey, 1984 Format: Book Access & Availability: Loading
4. Trepostome and cystoporate bryozoans from the Lexington limestone and the Clays Ferry formation (Middle and Upper Ordovician) of Kentucky Author/Creator: Karklins, Olgerts L., 1924- Publication/Creation: Alexandria, Va. : For sale by the Distribution Branch, U.S. Geological Survey Format: Book Is Part Of: U.S. Geological Survey professional paper, no. 1066 A-N. Access & Availability: Loading
5. Trepostome bryozoa from the Dillsboro Formation (Cincinnatian Series) of southeastern Indiana Author/Creator: Brown, George D., 1931- Publication/Creation: Bloomington, Ind. : State of Indiana, Dept. of Natural Resources, Geological Survey, [1985], [1985] Format: Book Access & Availability: Loading
6. The type of the stromatoporoid species Stromatocerium rugosum Hall Author/Creator: Galloway, J. J. 1882-1962. (Jesse James) Publication/Creation: New York, N.Y. : American Museum of Natural History, [1955] Format: Book Access & Availability: Loading