Albright, L. B. 1996. A protocetid cetacean from the Eocene of South Carolina. Journal of Paleontology, 70:519-523.
Andrews, C. W. 1906. A Descriptive Catalogue of the Tertiary Vertebrata of the Fayum, Egypt. British Museum (Natural History), London.
Andrews, C. W. 1919. A description of new species of zeuglodont and of leathery turtle from the Eocene of Southern Nigeria. Proceedings of the Zoological Society of London, 1919:309-319.
Archibald, J. D. 1996. Fossil evidence for a Late Cretaceous origin of 'hoofed' mammals. Science, 272:1150-1153.
Arnason, U., and A. Gullberg. 1996. Cytochrome b nucleotide sequences and the identification of five primary lineages of extant cetaceans. Molecular Biology and Evolution, 13:407-417.
Arnason, U., A. Gullberg, and B. Widegren. 1991. The complete nucleotide sequence of the mitochondrial DNA of the fin whale, Balaenoptera physalus. Journal of Molecular Evolution, 33:556- 568.
Ball, O. M. 1931. A contribution to the palaeobotany of the Eocene of Texas. Bulletin of the Agricultural and Mechanical College of Texas, 2(5):1-173.
Berggren, W. A., D. V. Kent, C. C. Swisher, M.-P. Aubry. 1995. A revised Cenozoic geochronology and chronostratigraphy. SEPM Special Publication, 54:129-212.
Berta, A. 1994. What is a whale? Science, 263:180-181.
Blanckenhorn, M. 1900. Neues zur Geologie und Pal”ontologie Aegyptens. II. Das Palaeogen. Zeitschrift der Deutschen Geologischen Gesellschaft, 52:403-479.
Blatt, H., and R. L. Jones. 1975. Proportions of exposed igneous, metamorphic, and sedimentary rocks. Geological Society of America Bulletin, 86:1085-1088.
Borsuk-Bialynicka, M. 1988. New remains of Archaeoceti from the Paleogene of Antarctica. Polish Polar Research, 9:437-445.
Boule, M. 1903. Le Pachyaena de Vaugirard. Memoirs de la SociÈtÈ GÈologique de France, 28:5-16.
Bown, T. M. 1982. Geology, paleontology, and correlation of Eocene volcaniclastic rocks, southeast Absaroka range, Hot Springs County, Wyoming. U.S. Geological Survey Professional Paper, 1201A:1-75.
Boyden, A., and D. Gemeroy. 1950. The relative position of the Cetacea among the orders of Mammalia as indicated by precipitin tests. Zoologica, New York Zoological Society, 35:145-151.
Case, G. R. 1975. [Zeuglodont remains reported from Twiggs Clay Member, Barnwell Formation, central Georgia]. Society of Vertebrate Paleontology News Bulletin, 103:24.
Chow, M. 1965. Mesonychids from the Eocene of Honan. Vertebrata PalAsiatica, 9:286-291.
Chow, M., and T. Qi. 1978. Paleocene mammalian fossils from Nomogen Formation of Inner Mongolia. Vertebrata PalAsiatica, 16: 77-85.
Chow, M., Y. Chang, B. Wang, and S. Ting. 1973. New mammalian genera and species from the Paleocene of Nanhsiung, N. Kwangtung. Vertebrata PalAsiatica, 11:31-35.
Cooke, C. W., and H. K. Shearer. 1918. Deposits of Claiborne and Jackson age in Georgia. U. S. Geological Survey Professional Paper, 120:41-81.
Cope, E. D. 1872a. Descriptions of some new Vertebrata from the Bridger group of the Eocene. Paleontological Bulletin, Philadelphia, 1:1-6.
Cope, E. D. 1872b. Notices of new Vertebrata from the upper waters of Bitter Creek, Wyoming Territory. Paleontological Bulletin, Philadelphia, 6:1-6.
Cope, E. D. 1874. Report upon vertebrate fossils discovered in New Mexico, with descriptions of new species. Annual Report of the Chief of Engineers for 1874. Government Printing Office, Washington, 589-606.
Corgan, J. X. 1976. Vertebrate fossils of Tennessee. Tennessee Department of Conservation, Division of Geology, Bulletin, 77:1-100.
Crusafont Pair—, M., and J. M. Golpe-Posse. 1968. Dissacus progressus, nova sp., el primer creodonto de Espa–a. Boletin del Instituto Geologico y Minero de EspaÒa, Madrid, 79(4):354-357.
Crusafont Pair—, M. 1973. Yacimientos del Eoceno prepirenaico (nuevas localidades del Cuisiense). Acta Geologica Hispanica, 8:145-147.
D'Erchia, A. M., C. Gissi, G. Presole, C. Saccone, and U. Arnason. 1996. The guinea-pig is not a rodent. Nature, 381:597- 600.
Daly, E. 1992. A list, bibliography, and index of the fossil vertebrates of Mississippi. Mississippi Department of Environmental Quality, Office of Geology, Bulletin, 128:1-47.
Dalrymple, G. B. 1991. The Age of the Earth. Stanford University Press, Stanford, 474 pp.
Dashzeveg, D. 1976. Novyye mezonikyidy (Condylarthra, Mesonychidae) iz paleogena Mongolii [New mesonychids (Condylarthra, Mesonychidae) from the early Paleogene of Mongolia]. In N. N. Kramarenko (ed.), Paleontologiya i Biostratigrapfiya Mongolii. Transactions of the Joint Soviet-Mongolian Paleontological Expedition, Moscow, 3:14-31.
Dehm, R., and T. z. Oettingen-Spielberg. 1958. Pal”ontologische und geologische Untersuchungen im Terti”r von Pakistan. 2. Die mitteleoc”nen S”ugetiere von Ganda Kas bei Basal in Nordwest- Pakistan. Abhandlungen der Bayerische Akademie der Wissenschaften, Mathematisch-Naturwissenschaftliche Klasse, M¸nchen, Neue Folge, 91:1-54.
Dockery, D. T. 1974. An Archaeoceti from the Moodys Branch Formation (upper Eocene) of Mississippi. The Compass of Sigma Gappa Epsilon, 51:61-64.
Douzery, E. 1993. Evolutionary relationships among Cetacea based on the sequence of the mitochondrial 12S rRNA gene: possible paraphyly of toothed-whales (odontocetes) and long separate evolution of sperm whales (Physeteridae). Comptes Rendus de l'AcadÈmie des Sciences, Paris, Sciences de la Vie, 316: 1511-1518.
Edwards, A. W. F. 1972. Likelihood. Cambridge University Press, Cambridge.
Šlouard, P. 1981. DÈcouverte d'un archÈocËte dans les environs de Kaolack. Notes Africaines, Dakar, 109:8-10.
Flower, W. H. 1883. Cetacea. Encyclopedia Britannica, 9th edition, Edinburgh, 15:391-400.
Fordyce, R. E. 1985. Late Eocene archaeocete whale (Archaeoceti: Dorudontinae) from Waihao, South Canterbury, New Zealand. New Zealand Journal of Geology and Geophysics, 28:351- 357.
Fordyce, R. E., and L. G. Barnes. 1994. The evolutionary history of whales and dolphins. Annual Review of Earth and Planetary Sciences, 22:419-455.
Fraas, E. 1904. Neue Zeuglodonten aus dem unteren Mitteleoc”n vom Mokattam bei Cairo. Geologische und Pal”ontologische Abhandlungen, Jena, Neue Folge, 6:197-220.
Gabunia, L. K. 1982. A first find of a mesonychid in the Eocene of the Soviet Union [Russian with English summary]. Soobshcheniya Akademii Nauk Gruzinskoi SSR [Bulletin of the Academy of Sciences of the Georgian SSR], 106:525-528.
Gazin, C. L. 1952. The lower Eocene Knight Formation of western Wyoming and its mammalian fauna. Smithsonian Miscellaneous Collections, 117:1-82.
Geisler, J. H., and M. A. O'Leary. 1997. A phylogeny of Cetacea, Artiodactyla, Perissodactyla, and archaic ungulates: the morphological evidence (abstract). Journal of Vertebrate Paleontology, Abstracts of Papers, 17(3):48.
Gimbrede, L. d. A. 1962. The Hurricane Lentil: source of many Claiborne fossils. Journal of Paleontology, 36:1116-1120.
Gingerich, P. D. 1991. Partial skeleton of a new archaeocete from the earliest middle Eocene Habib Rahi limestone, Pakistan (abstract). Journal of Vertebrate Paleontology, Abstracts of Papers, 11(3):31.
Gingerich, P. D. 1992. Marine mammals (Cetacea and Sirenia) from the Eocene of Gebel Mokattam and Fayum, Egypt: stratigraphy, age, and paleoenvironments. University of Michigan Papers on Paleontology, 30:1-84.
Gingerich, P. D., M. Arif, and W. C. Clyde. 1995a. New archaeocetes (Mammalia, Cetacea) from the middle Eocene Domanda Formation of the Sulaiman Range, Punjab (Pakistan). Contributions from the Museum of Paleontology, University of Michigan, 29:291-330.
Gingerich, P. D., M. Arif, M. A. Bhatti, H. A. Raza, and S. M. Raza. 1995b. Protosiren and Babiacetus (Mammalia, Sirenia and Cetacea) from the middle Eocene Drazinda Formation, Sulaiman Range, Punjab (Pakistan). Contributions from the Museum of Paleontology, University of Michigan, 29:331-357.
Gingerich, P. D., H. Cappetta, and M. Traverse. 1992. Marine mammals (Cetacea and Sirenia) from the middle Eocene of KpogamÈ- HahotoÈ in Togo (abstract). Journal of Vertebrate Paleontology, 12A:29-30.
Gingerich, P. D., S. M. Raza, M. Arif, M. Anwar, and X. Zhou. 1994. New whale from the Eocene of Pakistan and the origin of cetacean swimming. Nature, 368:844-847.
Gingerich, P. D., and D. E. Russell. 1981. Pakicetus inachus, a new archaeocete (Mammalia, Cetacea) from the early-middle Eocene Kuldana Formation of Kohat (Pakistan). Contributions from the Museum of Paleontology, University of Michigan, 25:235-246.
Gingerich, P. D., B. H. Smith, and E. L. Simons. 1990. Hind limbs of Eocene Basilosaurus: evidence of feet in whales. Science, 249:154-157.
Gingerich, P. D., and M. D. Uhen. 1994. Time of origin of primates. Journal of Human Evolution, 27:443-445.
Gingerich, P. D., N. A. Wells, D. E. Russell, and S. M. I. Shah. 1983. Origin of whales in epicontinental remnant seas: new evidence from the early Eocene of Pakistan. Science, 220:403-406.
Gish, D. T. 1994. When is a whale a whale? Impact, El Cajon, California, 250:i-iv.
Godinot, M., J. Crochet, J. Hartenberger, B. Lange-BadrÈ, D. E. Russell, and B. SigÈ. 1987. Nouvelles donnÈes sur les mammifËres de Palette (EocËne infÈrieur, Provence). M¸nchner Geowissenschaftliche Abhandlungen, Reihe A, Geologie und Pal”ontologie, 10:273-288.
Goodman, M., J. Czelusniak, and J. E. Beeber. 1985. Phylogeny of primates and other eutherian orders: a cladistic analysis using amino acid and nucleotide sequence data. Cladistics, 1:171-185.
Gradstein, F. M., and J. Ogg. 1996. A Phanerozoic time scale. Episodes, 19:3-5.
Granger, W. 1917. Notes on Paleocene and lower Eocene mammal horizons of northern New Mexico and southern Colorado. Bulletin of the American Museum of Natural History, 37:821-830.
Graur, D. 1993. Molecular phylogeny and the higher classification of eutherian mammals. Trends in Ecology and Evolution, 8:141-147.
Graur, D., and D. G. Higgins. 1994. Molecular evidence for the inclusion of cetaceans within the order Artiodactyla. Molecular Biology and Evolution, 11:357-364.
Gromova, V. 1952. O primitivnykh khishchnikakh iz paelogena Mongolii i Kazakhstana [On primitive carnivores of the Paleogene of Mongolia and Kazakhstan]. Akademiia Nauk SSSR, Trudy Paleontologicheskii Institut, Moscow, 41:51-77.
Gustafson, E. P. 1986. Carnivorous mammals of the late Eocene and early Oligocene of trans-Pecos Texas. Texas Memorial Museum Bulletin, 33:1-66.
Haq, B., J. Hardenbol, and P. R. Vail. 1987. Chronology of fluctuating sea levels since the Triassic. Science, 235:1156-1167.
Hardenbol, J. A., J. Thierry, M. B. Farley, T. Jacquin, P.-C. Graciansky, and P. R. Vail. 1998. Mesozoic-Cenozoic sequence chronostratigraphic framework. In P.-C. Graciansky, J. A. Hardenbol, T. Jacquin, P. R. Vail, and M. B. Farley (eds.), Sequence Stratigraphy of European Basins. Society of Economic Paleontologists and Mineralogists Special Publication, in press.
Hedges, S. B., P. H. Parker, C. G. Sibley, and S. Kumar. 1996. Continental breakup and the ordinal diversification of birds and mammals. Nature, 381:226-229.
Hooker, J. J., A. N. Insole, R. T. J. Moody, C. A. Walker, and D. J. Ward. 1980. The distribution of Cartilaginous fish, turtles, birds and mammals in the British Palaeogene. Tertiary Research, Leiden, 3:1-45.
Irwin, D. M., and U. Arnason. 1994. Cytochrome b gene of marine mammals: phylogeny and evolution. Journal of Mammalian Evolution, 2:37-55.
Irwin, D. M., T. D. Kocher, and A. C. Wilson. 1991. Evolution of the cytochrome b gene of mammals. Journal of Molecular Evolution, 32:128-144.
Kellogg, R. 1936. A review of the Archaeoceti. Carnegie Institution of Washington Publications, 482:1-366.
Kihm, A. J. 1984. Early Eocene mammalian faunas of the Piceance Creek Basin, northwestern Colorado. Ph.D. dissertation, University of Colorado, Boulder, pp. 1-381.
Krettek, A., A. Gullberg, and U. Arnason. 1995. Sequence analysis of the complete mitochondrial DNA molecule of the hedgehog, Erinaceus europaeus, and the phylogenetic position of the Lipotyphla. Journal of Molecular Evolution, 41:952-957.
Kuhn, O. 1935. Arch”oceten aus dem norddeutschen Altterti”r. Zentralblatt f¸r Mineralogie, Geologie und Pal”ontologie, Abteilung B, Stuttgart, 1935:219-226.
Kumar, S., and S. B. Hedges. 1998. A molecular timescale for vertebrate evolution. Nature, 392:917-920.
Kumar, K., and A. Sahni. 1985. Eocene mammals from the upper Subathu group, Kashmir Himalaya, India. Journal of Vertebrate Paleontology, 5:153-168.
Kumar, K., and A. Sahni. 1986. Remingtonocetus harudiensis, new combination, a middle Eocene archaeocete (Mammalia, Cetacea) from western Kutch, India. Journal of Vertebrate Paleontology, 6:326-349.
Lancaster, W. C. 1986. The taphonomy of an archaeocete skeleton and its associated fauna. In J. A. Schiebout and W. van den Bold (eds.), Montgomery Landing Site, Marine Eocene (Jackson) of Central Louisiana (Proceedings of a Symposium, Gulf Coast Association of Geological Societies). Louisiana State University Museum of Geosciences, Baton Rouge, 119-131.
Lemoine, V. 1891. Štude d'ensemble sur les dents des mammifËres fossiles des environs de Reims. Bulletin de la SociÈtÈ GÈologique de France, 19:263-290.
Maher, J. C., and P. H. Jones. 1949. Ground-water Exploration in the Natchitoches area, Louisiana. U. S. Geological Survey Water-Supply Paper, 968D:159-211.
Marshall, C. R. 1990. Confidence intervals on stratigraphic ranges. Paleobiology, 16:1-10.
Matthew, W. D. 1909. The Carnivora and Insectivora of the Bridger Basin, Middle Eocene. Memoirs of the American Museum of Natural History, 9:289-567.
Matthew, W. D., and W. Granger. 1925. New mammals from the Irdin Manha Eocene of Mongolia. American Museum Novitates, 198:1-10.
McKenna, M. C. 1960. Fossil Mammalia from the early Wasatchian Four Mile fauna, Eocene of northwest Colorado. University of California Publications in Geological Sciences, 37:1-130.
McKenna, M. C. 1987. Molecular and morphological analysis of high-level mammalian interrelationships. In C. Patterson (ed.), Molecules and Morphology in Evolution: Conflict or Compromise?, Cambridge University Press, Cambridge, 55-93.
Messenger, S. L., and J. A. McGuire. 1998. Morphology, molecules, and the phylogenetics of cetaceans. Systematic Biology, 47:90-124.
Milinkovitch, M. C. 1992. DNA-DNA hybridizations support ungulate ancestry of Cetacea. Journal of Evolutionary Biology, 5: 149-160.
Milinkovitch, M. C., A. Meyer, and J. R. Powell. 1994. Phylogeny of all major groups of cetaceans based on DNA sequences from three mitochondrial genes. Molecular Biology and Evolution, 11:939-948.
Milinkovitch, M. C., G. OrtÌ, and A. Meyer. 1993. Revised phylogeny of whales suggested by mitochondrial ribosomal DNA sequences. Nature, 361:346-348.
Milinkovitch, M. C., M. C., G. OrtÌ, and A. Meyer. 1995. Novel phylogeny of whales revisted but not revised. Molecular Biology and Evolution, 12:518-520.
Milinkovitch, M. C. 1995. Novel phylogeny of whales revisited but not revised. Molecular Biology and Evolution, 12:518-520.
Morgan, G. S. 1978. The fossil whales of Florida. Plaster Jacket, 29:1-20.