1. Marine Jurassic pelecypods from central and southern Utah Author/Creator: Imlay, Ralph W. 1908-1989, (Ralph Willard), author Publication/Creation: Washington : U.S. Department of the Interior, Geological Survey, 1964 Resource Type: Book Access & Availability: Loading
2. Marine Jurassic pelecypods from central and southern Utah, Author/Creator: Imlay, Ralph W. 1908-1989. (Ralph Willard) Publication/Creation: Washington : U.S. Govt. Print. Off, 1964 Resource Type: Book Is Part Of: U.S. Geological Survey professional paper, no. 481-483. Access & Availability: Loading
3. Molluscan fauna of the Morrison Formation Author/Creator: Yen, Teng-Chien, author Publication/Creation: Washington : United States Department of the Interior, Geological Survey, 1952 Resource Type: Book Access & Availability: Loading
4. Molluscan fauna of the Morrison Formation Author/Creator: Yen, Teng-Chien Publication/Creation: Washington : U.S. Govt. Print. Off, 1952 Resource Type: Book Is Part Of: U.S. Geological Survey professional paper, no. 233 A-E. Access & Availability: Loading
5. Pelecípodos del Jurásico Medio del noroeste de Oaxaca y noreste de Guerrero Author/Creator: Alencaster de Cserna, Gloria Publication/Creation: México : [publisher not identified], 1963 Resource Type: Book Is Part Of: Bound with: QE749 .M45 NO.12-NO.18 ; Nummoloculina heimi Bonet en el Cretácico inferior de Cuba, Access & Availability: Loading
6. Succession and speciation of the pelecypod Aucella Author/Creator: Imlay, Ralph W. 1908-1989, (Ralph Willard), author Publication/Creation: Washington : United States Department of the Interior, Geological Survey, 1959 Resource Type: Book Access & Availability: Loading