Oligocene Epoch (23-33 mya)
(Last updated Aug 19, 2008.)
| Carnivorous mammals of the late Eocene and early Oligocene of Trans-Pecos Texas | E. P. Gustafson | Texas Memorial Museum Bulletin 033, 66 p., 36 figs., 16 tables, 1986 |
| Earliest Known Occurrence of Land Snail Humboldtiana: From Tuff of Garren Group (Oligocene), Trans-Pecos Texas | James R. Underwood, Jr. and John A. Wilson | Journal of Paleontology, Vol. 48, No. 3 (May, 1974), pp. 596-597 |
| Stratigraphic Occurrence and Correlation of Early Tertiary Vertebrate Faunas, Trans-Pecos Texas - Agua Fria-Green Valley Areas * | John Andrew Wilson | Journal of Vertebrate Paleontology, Vol. 6, No. 4, (Dec. 24, 1986), pp. 350-373 |
| North
American Mammal ages: Arikareean age = 20.6 to 30.8 mya Whitneyan age = 30.8 to 33.3 mya Orellan age = 33.3 to 33.9 mya Chadronian age = 33.9 to 38 mya |
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Eocene Epoch (33-55 mya):
(Last updated Aug 17, 2010.)
| Mammals: | ||
| Carnivorous mammals of the late Eocene and early Oligocene of Trans-Pecos Texas | E. P. Gustafson | Texas Memorial Museum Bulletin 033, 66 p., 1986 |
| Coryphodon (Mammalia, Pantodonta) from the Hannold Hill Formation, Eocene of Trans-Pecos Texas | S. G. Lucas. | Texas Memorial Museum, Pearce-Sellards Series 046, 1989 |
| Early Tertiary vertebrate faunas, Vieja Group, Trans-Pecos Texas: Agriochoeridae and Merycoidodontidae | J. A. Wilson and J. A. Schiebout | Texas Memorial Museum Bulletin 018, 83 p., 1971 |
| Early Tertiary vertebrate faunas, Vieja Group, Trans-Pecos, Texas: Entelodontidae | J. A. Wilson | Texas Memorial Museum, Pearce-Sellards Series 017, 1971 |
| Early Tertiary vertebrate faunas, Vieja Group, Trans-Pecos Texas: Equidae. Part 1. Epihippus from the Vieja Group, Trans-Pecos Texas; Part 2. Mesohippus from the Vieja Group, Trans-Pecos Texas, Part 3. Comparison of populations of Mesophippus from Trans-Pecos Texas and the Big Badlands, South Dakota | Part 1: A. M. Forsten and P. O. McGrew; Part 2: P. O. McGrew; part 3: A. M. Forsten | Texas Memorial Museum, Pearce-Sellards Series 018 |
| Early Tertiary vertebrate faunas, Vieja Group, Trans-Pecos Texas, Insectivora | M. J. Novacek | Texas Memorial Museum, Pearce-Sellards Series 023, 1976 |
| Early Tertiary vertebrate faunas, Vieja Group and Buck Hill Group, Trans-Pecos Texas: Protoceratidae, Camelidae, Hypertragulidae | J. A. Wilson and J. A. Schiebout | Texas Memorial Museum Bulletin 023, 34 p., 1974 |
| Early Tertiary vertebrate faunas Vieja Group, Trans-Pecos Texas: Rodentia | A. E. Wood | Texas Memorial Museum Bulletin 021, 1974 |
| Fossil mammals from the Lower Buck Hill Group, Eocene of Trans-Pecos Texas: Marsupicarnivora, Primates, Taeniodonta, Condylarthra, bunodont Artiodactyla and Dinocerata | West, R. M. | Texas Memorial Museum, Pearce-Sellards Series 035, 20 pp., 1982 |
| New protocetid (Mammalia, Cetacea) from the late middle Eocene Cook Mountain Formation of Louisiana | MARK D. UHEN | Journal of Vertebrate Paleontology, 1998, Vol. 18 (No. 3):664–668 |
| Stratigraphic succession, potassium-argon dates, and vertebrate faunas, Vieja Group, Rim Rock country, Trans-Pecos, Texas | John Andrew Wilson, P. C. Twiss, Ronald K. DeFord, and S. E. Clabaugh | American Journal of Science, Vol. 266, September 1968, P. 590-604 |
| Stratigraphic Occurrence and Correlation of Early Tertiary Vertebrate Faunas, Trans-Pecos Texas - Agua Fria-Green Valley Areas * | John Andrew Wilson | Journal of Vertebrate Paleontology, Vol. 6, No. 4, (Dec. 24, 1986), pp. 350-373 |
| Uintan Land Mammals (Excluding Rodents) from an Estuarine Facies of the Laredo Formation (Middle Eocene, Claiborne Group) of Webb County, Texas | James W. Westgate | Journal of Paleontology, Vol. 64, No. 3 (May, 1990), pp. 454-468 |
| Vertebrate Faunas 49 to 36 Million Years Ago and Additions to the Species of Leptoreodon (Mammalia: Artiodactyla) Found in Texas * | John Andrew Wilson | Journal of Vertebrate Paleontology, Vol. 4, No. 2, Origin and Evolution of the Cenozoic Vertebrate Fauna of Middle America, (Oct., 1984), pp. 199-207 |
| Bivalves, gastropods: | ||
| Evolution of Athleta petrosa Stock Eocene, (Gastropoda) of Texas | William L. Fisher, Peter U. Rodda, and John W. Dietrich | University of Texas, PB6413 |
| Middle Eocene of Houston Co., Texas. | GCS 207, 1961 | |
| New zone in Cook Mountain Formation, the Crassatella texalta Harris Turritella cortezi Bowles zone | Stenzel, H.B. | American Association of Petroleum Geologists Bulletin, vol. 24, pp. 1663-1675., 1940 |
| Pelecypoda from the Type Locality of the Stone City Beds (Middle Eocene) of Texas | H. B. Stenzel, E. K. Krause, and J. T. Twining | University of Texas, Bureau of Economic Geology, 1957, 237 pgs., Publication No. 5704 |
| Stone City and Cook Mountain (middle Eocene) scaphopods from southwest Texas * | Kenneth A. Hodgkinson | Lawrence : University of Kansas Paleontological Institute, 1974; 25 pgs. |
| The molluscan macrofauna of the Reklaw Formation, Marquez Member (Eocene, lower Claibornian), in Texas | Christopher L. Garvie | Bulletins of American paleontology,, v. 111, no. 352, 1996 |
| Turritellidae from the Paleocene and Eocene of the Gulf Coast | Stenzel, H.B., and Turner, F.E. | University of Texas Bulletin 3945, pp. 829-847, 1940 |
| Crustaceans: | ||
| Two new crabs from the Eocene of Texas | Rathbun, Mary Jane | Washington, 1929; 6 pgs. |
| Plants: | ||
| An early Eocene florule from central Texas | Berry, Edward Wilber | Geological Survey professional paper -- 132-E, 1924 |
| A contribution to the paleobotany of the Eocene of Texas | Oscar Melville Ball | College Station, Tex., Texas A & M college, 1931-1939 / Bulletin (Agricultural and Mechanical College of Texas) |
| other: | ||
| Foraminiferal evidence of the Midway-Wilcox contact in Texas * | Helen Jeanne Plummer | Contributions to Geology, UT Bulletin No. 3201 |
| Middle Eocene Claiborne Group invertebrate fossils from Stone City Bluff, Burleson County, Texas | John and Barbara Emerson | Houston, Tex.: J. H. Emerson, 2001, 136 pgs. |
| Palynology and paleoecology of lignites from the Manning Formation (Jackson Group) outcrop in the Lake Somerville spillway of east-central Texas | A. Raymond, M. K. Phillips, J. A. Gennett and P. A. Comet | International Journal of Coal Geology, Volume 34, Issues 3-4, December 1997, Pages 195-223 |
| The Wilcox of central Texas (Eocene) | Claypool, Chester Burns | Urbana, Ill., 1933 |
| North American Mammal Ages: Chadronian age = 33.9 to 38 mya Duchesnean age = 38 to 42 mya Uintan age = 42 to 46.2 mya Bridgerian age = 46.2 to 50.3 mya Wasatchian age = 50.3 to 55.4 mya Late Eocene = 33.9 to 37.2 mya Middle Eocene = 37.2 to 48.6 mya Early Eocene = 48.6 to 55.8 mya |
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Paleocene Epoch (55-65 mya)
(Last updated June 21, 2008.)
| Turritellidae from the Paleocene and Eocene of the Gulf Coast | Stenzel, H.B., and Turner, F.E. | University of Texas Bulletin 3945, pp. 829-847, 1940 |
| Reappraisal of a Paleocene crab (Brachyura: Dromiacea) from Texas. | Schweitzer, C. E., and R. M. Feldmann. 2012. | Journal of Crustacean Biology, 32: 591-596. 2012 |