BioStor
 | Observations on the Eocene Lignite Formation of the United States T A Conrad (1865) Proceedings of The Academy of Natural Sciences of Philadelphia 17: 70-73 |
 | Scientific results of explorations by the U. S. Fish Commission steamer Albatross. No. VII..Preliminary report on the collection of Mollusca and Brachiopoda obtained in 1887-'88 William Healey Dall (1890) Proceedings of The United States National Museum 12: 219-362 |
 | The Eocene Tertiary of Texas East of the Brazos River William Kennedy (1895) Proceedings of The Academy of Natural Sciences of Philadelphia 47: 89-160 |
 | Appendix No. 4 au Catalogue Illustré des coquilles Fossiles de l'Eocéne des environs de Paris M Cossmann (1906) Annales de la Societe Roy Malacologique Bruxelles 41: 186-286 |
 | The Cretaceous Fauna of Pondoland (1906) Cape Town Annals S African Museum 4: 287-350 |
 | Note on Swainson's Genus Volutilthes (1906) Proceedings of The Malacological Society of London 7: 100-104 |
 | A further stratigraphic study in the Mount Diablo Range of California Frank Marion Anderson (1908) Proceedings of the California Academy of Sciences 3: 1-40 |
 | Fauna of the Type Tejon: Its relation to the Cowlitz Phase of the Tejon Group of Washington Roy Ernest Dickerson (1915) Proceedings of the California Academy of Sciences 5: 33-98 |
 | Climatic relations of the Tertiary and Quaternary faunas of the California Region James Perrin Smith (1919) Proceedings of the California Academy of Sciences 9: 123-173 |
 | A revision of the Tertiary Volutidae (Mollusca: Gastropoda) of south-eastern Australia Thomas A Darragh (1988) Memoirs of the National Museum of Victoria 49(2): 195-307 |