Tom Deméré, Ph.D.
|Tom Deméré, Ph.D.
Our region has a natural history that extends back
millions of years and encompasses many past physical "stages" and
biological "players." Even the slightest glimpse into this dynamic
past leaves me with a profound sense of wonder.
As Curator of Paleontology, Dr. Deméré has occupied
the Joshua L. Baily, Jr. Chair of Paleontology at the Museum since
1994. Tom's research focuses on the evolutionary history and paleobiology
of pinnipeds and cetaceans. He is also keenly interested in the geology
and paleontology of southern California and Baja California and has
published numerous scientific and popular articles on these subjects.
Tom also serves as Director of PaleoServices,
a consulting arm of the BRCC that provides paleontological resource
assessment and impact mitigation services to public and private developers.
This work has been responsible for the discovery, salvage, and conservation
of thousands of significant fossils from construction sites in San
Diego, Orange, and Riverside counties.
Publications: (In *PDF)
Mihlbachler, M.C. and T.A. Deméré 2009 .
A New Species of Brontotheriidae (Perissodactyla, Mammalia) from the Santiago Formation (Duchesnean, Middle Eocene) of Southern California. Proceedings of the San Diego Society of Natural History 41:1-36.
Deméré, T.A. 1983.
The Neogene San Diego Basin: A review of the marine Pliocene San Diego Formation. In Larue, D.K. and R.J. Steel (eds.), Cenozoic Marine Sedimentation Pacific margin, U.S.A. Society of Economic Paleontologists and Mineralogists, Pacific Section. Pp. 187-195.
Deméré, T.A. 2006.
Chapter 2, The Imperial Sea: Marine Geology and Paleontology, Pp. 29-41. In G.T. Jefferson and L. Lindsay (eds.) Fossil Treasures of the Anza-Borrego Desert. Sunbelt Publications, Inc., San Diego, CA
Deméré, T.A. and A. Berta. 2001.
of Proneotherium repenningi from the middle Miocene Astoria Formation
of Oregon and its position as a basal odobenid (Pinnipedia: Mammalia). Journal
of Vertebrate Paleontology 21(2): 279-310
Deméré, T.A. and A. Berta. 2002.
pinniped Desmatophoca oregonensis Condon, 1906 (Mammalia: Carnivora)
from the Astoria Formation, Oregon. In Emry, R.J. (ed.), Cenozoic Mammals
of Land and Sea: Tributes to the Career of Clayton E. Ray. Smithsonian
Contributions to Paleobiology 93:113-147.
Deméré, T.A., A. Berta, and P.J. Adam.
Pinnipedimorph evolutionary biogeography. Bulletin
of the American Museum of Natural History 13(279):32-76.*
Deméré, T.A. and A. Berta. 2005.
New skeletal material of Thalassoleon (Otariidae:Pinnipedia) from the late Miocene-Early Pliocene (Hemphillian) of California. Bulletin of the Florida Museum of Natural History 45(4): 379-411.
Deméré, T.A. and A. Berta. 2008.
Skull anatomy of the Oligocene toothed mysticete Aetiocetus weltoni (Mammalia; Cetacea): implications for mysticete evolution and functional anatomy. Zoological Journal of the Linnean Society 108:308-352.
Deméré, T.A., A. Berta, and P.J. Adam. 2003.
Pinnipedimorph evolutionary biogeography. Bulletin of the American Museum of Natural History 13(279):32-76.
Deméré, T.A., A. Berta, and M.R. McGowen.
The taxonomic and evolutionary history
of fossil and modern balaenopteroid mysticetes. Journal of
Mammalian Evolution 12:99-143.
Deméré, T.A., M.R. McGowen, A. Berta, and J. Gatesy. 2008.
Morphological and molecular evidence for a stepwise evolutionary transition from teeth to baleen in mysticete cetaceans. Systematic Biology 57:15-37.
Deméré, T.A. and N.S. Rugh. 2006.
Chapter 3, Invertebrates of the Imperial Sea, Pp. 43-69. In G.T. Jefferson and L. Lindsay (eds.) Fossil Treasures of the Anza-Borrego Desert. Sunbelt Publications, Inc., San Diego, CA .
Coombs, W.P., Jr. and T.A. Deméré. 1996.
A late Cretaceous nodosaurid ankylosaur (Dinosauria: Ornithischia) from marine sediments of coastal California. Journal of Paleontology 70:311-326.
Johnston, C., T.A. Deméré, A. Berta, J. Yonas, and J. St.Leger. 2010.
Observations on the musculoskeletal anatomy of the head of a neonate gray whale (Eschrichtius robustus), Marine Mammal Science 26:186-194.
Squires, R.L. and T.A. Deméré. 1991.
A middle Eocene marine molluscan assemblage from the usually non-marine Friars Formation, San Diego County, California. In P.L Abbott and J.A. May (eds.), Eocene Geologic History, San Diego Region. Society of Economic Paleontologists and Mineralogists, Pacific Section, Vol. 68:181-187.
Wagner, H.M., B.O. Riney, T.A. Deméré,
and D.R. Prothero. 2001.
Magnetic stratigraphy and land mammal biochronology
of a nonmarine facies of the Pliocene San Diego Formation, San Diego
County, California. In Prothero, D.R. (ed.), Magnetic Stratigraphy
of the Pacific Coast Cenozoic. SEPM Pacific Section Book 91:
Walsh, S. L., and T. A. Deméré. 1991.
Age and stratigraphy of the Sweetwater and Otay formations, San Diego County, California. In P. L. Abbott and J. A. May (eds.), Eocene Geologic History San Diego Region. Pacific Section SEPM Volume 68:131-148.
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