Publications

2021

Barrett, P. Z., S. S. B. Hopkins, and S. A. Price. 2021. How many sabertooths? Reevaluating the number of carnivoran sabertooth lineages with total evidence Bayesian techniques and a novel origin of the Miocene Nimravidae. Journal of Vertebrate Paleontology, DOI: 10.1080/02724634.2021.1923523.

Wyatt, M. R , S. S. B. Hopkins, and E. B. Davis. 2021. Using 2D dental geometric morphometrics to identify modern Perognathus and Chaetodipus specimens (Rodentia, Heteromyidae). Journal of Mammalogy, DOI: 10.1093/jmammal/gyab052.

Reuter, D. M., S. S. B. Hopkins, and E. B. Davis. 2021. Carnivoran intraspecific tooth-size variation shows heterogeneity along the tooth row and among species. Journal of Mammalogy, 102(1):236–249. DOI: 10.1093/jmammal/gyaa157

2020

Miller, S. A., P. Z. Barrett, W. N. F. McLaughlin, and S. S. B. Hopkins. 2020.  Endemism and migration in the Kochkor Basin? Identification and description of Adcrocuta eximia (Mammalia: Carnivora: Hyaenidae) and c.f. Paramachaerodus (Mammalia: Carnivora: Felidae) fossils at the Miocene locality of Ortok, Kyrgyzstan. Palaeontologia Electronica, 23(3):a45. DOI: 10.26879/1033

Tate-Jones, M. K.,  C. M. Peredo, C. D. Marshall, and S. S. B. Hopkins. 2020. The Dawn of Desmatophocidae: A New Species of Basal Desmatophocid Seal (Mammalia, Carnivora) from the Miocene of Oregon, USA. Journal of Vertebrate Paleontology, Online Early:e1789867. DOI: 10.1080/02724634.2020.1789867

Barrett, P. Z., L. Finkelman, G. Perdue, W. N. F Mclaughlin, D. M. Reuter, and S. S. B. Hopkins. 2020. Small Carnivoran Fauna of the Mascall Formation, Crooked River Basin, Central Oregon. Journal of Vertebrate Paleontology, 39(5): e1717506 DOI: 10.1080/02724634.2019.1717506

2019

Hopkins, S. S. B. 2019. Phylogeny, systematics, and evolution of hypsodonty in the Aplodontiinae (Mammalia, Rodentia, Aplodontiidae), with the description of several new species. Journal of Vertebrate Paleontology, 39(4):e1668401. DOI: 10.1080/02724634.2019.1668401

Emery-Wetherell, M. M., C. Mathew, C. Church, E. Dellard, E. B. Davis, and J. Roering. 2019. The Correlation of Topographically-Derived Relative Wetness with Terrestrial Mollusk Presence and Abundance. Malacologia, 62(2):225-236. DOI: 10.4002/040.062.0203

Robson, S. V., N. A. Famoso , E. B. Davis, and S. S. B. Hopkins. 2019. First mesonychid from the Clarno Formation (Eocene) of Oregon. Palaeontologia Electronica, 22(2.35):1-13. DOI: 10.26879/856

2018

Marshall, C. R.,  S. Finnegan, E. C. Clites, P. A. Holroyd, N. Bonuso, C. Cortez, E. Davis, G. P. Dietl, P. S. Druckenmiller, R. C. Eng, C. Garcia, K. Estes-Smargiassi, A. Hendy, K. A. Hollis, H. Little, E. A. Nesbitt, P. Roopnarine, L. Skibinski, J. Vendetti and L. D. White. 2018. Quantifying the dark data in museum fossil collections as palaeontology undergoes a second digital revolution. Biology Letter, 14(9): 20180431. DOI: 10.1098/rsbl.2018.0431

Retallack, G. J., J. M. Theodor, E. B. Davis, S. S. B. Hopkins, and P. Z. Barrett. 2018. First dinosaur (Ornithopoda) from Early Cretaceous (Albian) of Oregon, U.S.A. Journal of Vertebrate Paleontology, 38(4):1-5. DOI: 10.1080/02724634.2018.1486847

Hopkins, S. S. B. 2018. Estimation of body size in fossil mammals. In: Croft D., D. Su, and S. Simpson (eds) Methods in Paleoecology. Vertebrate Paleobiology and Paleoanthropology. DOI: 10.1007/978-3-319-94265-0_2

Famoso, N. A., S. S. B. Hopkins, and E. B. Davis. 2018. How do diet and body mass drive reproductive strategies in mammals? Biological Journal of the Linnean Society, 124(2):151-156. DOI: 10.1093/biolinnean/bly038

Calede, J. J., W. A. Kehl, and E. B. Davis. 2018. Craniodental morphology and diet of Leptarctus oregonensis (Mammalia, Carnivora, Mustelidae) from the Mascall Formation (Miocene) of central Oregon. Journal of Paleontology, 92(2):289-304. DOI: 10.1017/jpa.2017.78

Williams, J. W., E. C. Grimm, J. L. Blois, D. F. Charles, E. B. Davis, S. J. Goring, R. W. Graham, A. J. Smith, M. Anderson, J. Arroyo-Cabrales, A. C. Ashworth, J. L. Betancourt, B. W. Bills, R. K. Booth, P. I. Buckland, B. B. Curry, T. Giesecke, S. T. Jackson, C. Latorre, J. Nichols, T. Purdum, R. E. Rotha, M. Strykerl, H. Takahara. 2018. The Neotoma Paleoecology Database, a multiproxy, international, community-curated data resource. Quaternary Research, 89(1):159-177. DOI: 10.1017/qua.2017.105

Jacisin, J.J. III and S.S.B. Hopkins. 2018. A redescription and phylogenetic analysis of the fossil newts Taricha oligocenica Van Frank, 1955 and Taricha lindoei Naylor, 1979 (Amphibia, Salamandridae) from the Oligocene of Oregon. Journal of Paleontology. 1-21. DOI:10.1017/jpa.2017.85

2017

Emery-Wetherell, M. M., B. K. McHorse, E. B. Davis. 2017. Spatially explicit analysis sheds new light on the Pleistocene megafaunal extinction in North America. Paleobiology, 43(4):642-655. DOI: 10.1017/pab.2017.15

Badgley, C., Smiley, T. M., Terry, R., Davis, E. B., DeSantis, L. R. G., Fox, D. L., Hopkins, S. S. B., Jezkova,T., Matocq, M. D., Matzke, N., McGuire, J. L., Mulch, A., Riddle,  B. R., Roth, V. L., Samuels, J. X., Strömberg, C. A. E., Yanites, B. J. 2017. Biodiversity and topographic complexity: Modern and geohistorical perspectives. Trends in Ecology and Evolution, 32(3):211-226.  DOI: 10.1016/j.tree.2016.12.010

Barnosky, A. D., E. A. Hadly, P. Gonzalez, J. Head, P. D. Polly, A. M. Lawing, J. T. Eronen, D. D. Ackerly, K. Alex, E. Biber, J. Blois, J. Brashares, G. Ceballos, E. B. Davis, G. P. Dietl, R. Dirzo, H. Doremus, M. Fortelius, H. W. Greene, J. Hellmann, T. Hickler, S. T. Jackson, M. Kemp, P. L. Koch, C. Kremen, E. L. Lindsey, C. Looy, C. R. Marshall, C. Mendenhall, A. Mulch, A. M. Mychajliw, C. Nowak, U. Ramakrishnan, J. Schnitzler, K. Das Shrestha, K. Solari, L. Stegner, M. A. Stegner, N. C. Stenseth, M. H. Wake, and Z. Zhan. 2017. Merging paleobiology with conservation biology to guide the future of terrestrial ecosystems. Science, 355(6325): eaah4787. DOI: 10.1126/science.aah4787

Samuels, J. X., Hopkins, S. S. B. 2017. The impacts of Cenozoic climate and habitat changes on small mammal diversity of North America. Global and Planetary Change, 149:36-52. DOI: 10.1016/j.gloplacha.2016.12.014

Levering, D., Hopkins, S. S. B., Davis, E. B. 2017. Increasing locomotor efficiency among north American ungulates across the Oligocene-Miocene boundary. Palaeogeography, Palaeoclimatology, Palaeoecology, 466:279-286. DOI: 10.1016/j.palaeo.2016.11.036

2016

McHorse, B. K., Davis, E. B., Scott, E., and Jenkins, D. L. 2016. What species of horse was coeval with North America’s earliest humans in the Paisley Caves? Journal of Vertebrate Paleontology 36(6):e1214595. DOI: 10.1080/02724634.2016.1214595

McLaughlin, W. N. F., HopkinsS. S. B. , and Schmitz, M. D. 2016. A new late Hemingfordian vertebrate fauna from Hawk Rim, Oregon, with implications for biostratigraphy and geochronology. Journal of Vertebrate Paleontology, 36(5):e1201095. DOI: 10.1080/02724634.2016.1201095

Famoso N. A., and Davis E. B. 2016. On the relationship between enamel band complexity and occlusal surface area in Equids (Mammalia, Perissodactyla). PeerJ4:e2181. DOI: 10.7717/peerj.2181

Orcutt, J. D., and Hopkins, S. S. B. 2016. Latitudinal body-mass trends in Oligo-Miocene mammals. Paleobiology, 42(4): 643-658. DOI: 10.1017/pab.2016.13

Retallack G. J., Gavin D. G., Davis E. B., Sheldon N. D., Erlandson J. M, Reed M. H., Bestland E. A., Roering J. J., Carson R. J., and Mitchell R. B., 2016. Oregon 2100: Projected Climatic and Ecological Changes. Bulletin of the Museum of Natural History, University of Oregon. 26:1-22. URL: http://journals.oregondigital.org/index.php/nat_history/article/view/3631

Stilson K. T., Hopkins S. S. B.,  and Davis E. B., 2016. Osteopathology in Rhinocerotidae from 50 Million Years to the Present. PLoS ONE. 11(2): e0146221. DOI: 10.1371/journal.pone.0146221

Emery, M. M., Davis, E. B., and Hopkins, S. S. B., 2016. Systematic reassessment of an agriochoerid oreodont from the Hancock Mammal Quarry, Clarno (Eocene, Duchesnean), Oregon. Journal of Vertebrate Paleontology. 36(2): e1041970. DOI: 10.1080/02724634.2015.1041970

Famoso, N. A., Davis, E. B., Feranec, R. S., Hopkins, S. S. B., and Price, S. A., 2016. Are Hypsodonty and Occlusal Enamel Complexity Evolutionarily Correlated in Ungulates? Journal of Mammalian Evolution. 23(1):43-47. DOI:10.1007/s10914-015-9296-7

2015

Polly, P. D., Cardini, A., Davis, E. B., and Steppan, S., 2015. Marmot evolution and global change in the last 10 million years. In: Evolution of the Rodents: Advances in Phylogeny, Functional Morphology and Development, Cox, P. G. and Hautier, L. eds. Cambridge University Press.

Price, S.A., and Hopkins, S.S.B., 2015, The macroevolutionary relationship between diet and body mass across mammals. Biological Journal of the Linnean Society, v. 115, no. 1, p. 173–184, DOI: 10.1111/bij.12495

Gilmour, D. M., Butler, V. L., O’Connor, J. E., Davis, E. B., Culleton, B. J., Kennett, D. J., Hodgins, G. 2015. Chronology and ecology of late Pleistocene megafauna in the northern Willamette Valley, Oregon. Quaternary Research. 83(1):127-136. DOI:10.1016/j.yqres.2014.09.003

2014

Sertich, J. W., Graham, R. W., Stucky, R. K., McDonald, H. G., Newton, C., Fisher, D. C., Scott, E., Demobski, J. R., Lucking, C., McHorse, B. K., and Davis, E. B. 2014. High-elevation Late Pleistocene (MIS 5-6) vertebrate faunas from the Zeigler Reservoir fossil site, Snowmass Village, Colorado. Quaternary Research. 82(3):504-517. DOI: 10.1016/j.yqres.2014.08.002

Davis, E. B., Brakora, K., and Stilson, K. T. 2014. The evolution, development, and functional role of horns in cattle. In: The Evolution of Wild Cattle, Meletti, M. and Burton, J. eds. Cambridge University Press.

Gavin, D. G., Fitzpatrick, M. C., Gugger, P. F., Heath, K. D., Rodríguez-Sánchez, F., Dobrowski, S. Z., Hampe, A., Hu, F. S., Ashcroft, M. B., Bartlein, P. J., Blois, J. L., Carstens, B. C., Davis, E. B., de Lafontaine, G. Edwards, M. E., Fernandez, M., Henne, P. D., Herring, E. M., Holden, Z. A., Kong, W.-s., Liu, J., Magri, D. Matzke, N. J., McGlone, M. S., Saltré, F., Stigall, A. L., Tsai, Y.-H. E., Williams, J. W. 2014. Climate refugia: joint inference from fossil records, species distribution models and phylogeography. New Phytologist. 204(1): 37-54. DOI: 10.1111/nph.12929

Famoso, N. A. and S. S. B. Hopkins. 2014. Correction to the holotype (AMNH FM 9394) of Merychippus proparvulus Osborn, 1918 (Perissodactyla, Equidae). Journal of Vertebrate Paleontology. 34(5): 1249-1250. DOI:10.1080/02724634.2014.853073

McGuire, J. L., and Davis, E. B. 2014. Conservation paleobiogeography: the past, present and future of species distributions. Ecography. 37(11): 1092-1094. DOI: 10.1111/ecog.01337

Davis, E. B., McGuire, J. L., and Orcutt, J. D. 2014. Ecological niche models of mammalian glacial refugia show consistent bias. Ecography. 37(11): 1133-1138. DOI: 10.1111/ecog.01294

Famoso, N. A., and Davis, E. B. 2014. Occlusal enamel complexity in middle Miocene to Holocene Equids (Equidae: Perrisodactyla) of North America. PLoS: ONE 9(2): e90184. DOI: 10.1371/journal.pone.0090184

2013

Orcutt, J. D., and Hopkins, S. S. B. 2013. Oligo-Miocene climate change and mammal body-size evolution in the northwest United States: a test of Bergmann’s Rule. Paleobiology, 39(4): 648-661. DOI: 10.1666/13006

Davis, E. B., and McHorse, B. K. 2013. A method for improved identification of postcrania from mammalian fossil assemblages: multivariate discriminant function analysis of of camelid astragali. Palaeontologia Electronica. 16.3.27A. URL: http://palaeo-electronica.org/content/2013/539-discriminant-id-of-postcrania

Famoso, N. A., Feranec, R. S., and Davis, E. B. 2013. Occlusal enamel complexity and its implications for lophodonty, hypsodonty, body mass, and diet in extinct and extant ungulates. Palaeogeography,  Palaeoclimatology, Palaeoecology. 387: 211-216. DOI: 10.1016/j.palaeo.2013.07.006

Dawson, M. N., Algar,A. C., Antonelli, A., Dávalos, L. M., Davis, E. B., Early, R., Guisan, A., Jansson, R., Lessard, J.-P., Marske, K. A., McGuire, J., Stigall, A. L., Swenson, N. G., Zimmermann, N. E., Gavin, D. G. 2013. An horizon scan of biogeography. Frontiers of Biogeography. 5(2): 130-157. URL: http://www.escholarship.org/uc/item/9rp9c1qk

McDonough, K. N., Swisher, M. E., Jenkins, D. L., O’Grady, P. W., and Davis, E. B. 2013. An analysis of artifact, bone, and coprolite distributions in Paisley Caves Younger Dryas (Botanical Lens) and underlying Pleistocene deposits. Current Archaeological Happenings in Oregon 38(4): 17-19.

McGuire, J. L., and Davis, E. B. 2013. Using the palaeontological record of Microtus to test species distribution models and reveal responses to climate change. Journal of Biogeography. 40(8): 1490-1500. DOI: 10.1111/jbi.12106

2012

Calede, J. J. M., and S. S. B. Hopkins. 2012a. New material of Alphagaulus pristinus (Mammalia, Rodentia, Mylagaulidae) from the Deep River Formation (Montana, USA): Implications for ecology, ontogeny, and phylogeny. Journal of Vertebrate Paleontology 32:151–165.

Calede, J. J. M., and S. S. B. Hopkins. 2012b. Intraspecific versus interspecific variation in Miocene Great Basin mylagaulids: implications for systematics and evolutionary history. Zoological Journal of the Linnean Society 164:427–450.

Davis, E. B., and J. J. M. Calède. 2012. Extending the utility of artiodactyl postcrania for species-level identifications using multivariate morphometric analyses. Palaeontologia Electronica 15.1:1A.

McHorse, B. K., J. D. Orcutt, and E. B. Davis. 2012. The carnivoran fauna of Rancho La Brea: Average or aberrant? Palaeogeography, Palaeoclimatology, Palaeoecology 329–330:118–123.

Price, S. A., S. S. B. Hopkins, K. K. Smith, and V. L. Roth. 2012. Tempo of trophic evolution and its impact on mammalian diversification. Proceedings of the National Academy of Sciences 109:7008–7012.

2011

Atwater, A. L., and E. B. Davis. 2011. Topographic and climate change differentially drive Pliocene and Pleistocene mammalian beta diversity of the Great Basin and Great Plains provinces of North America. Evolutionary Ecology Research 13:833.

Calede, J. J., S. S. B. Hopkins, and E. B. Davis. 2011. Turnover in burrowing rodents: The roles of competition and habitat change. Palaeogeography, Palaeoclimatology, Palaeoecology 311:242-255.

Davis, E. B., K. A. Brakora, and A. H. Lee. 2011. Evolution of ruminant headgear: a review. Proceedings of the Royal Society B: Biological Sciences 278:2857-2865.

Orcutt, J. D., and S. S. B. Hopkins. 2011. The canid fauna of the Juntura Formation (late Clarendonian), Oregon. Journal of Vertebrate Paleontology 31:700-706.

2009

Hopkins, S. S. B., and E. B. Davis. 2009. Quantitative Morphological Proxies for Fossoriality in Small Mammals. Journal of Mammalogy 90:1449-1460.

2008

Davis, E. B., M. S. Koo, C. Conroy, J. L. Patton, and C. Moritz. 2008. The California Hotspots Project: identifying regions of rapid diversification of mammals. Molecular Ecology 17:120–138.

Hopkins, S. S. B. 2008a. Reassessing the mass of exceptionally large rodents using toothrow length and area as proxies for body mass. Journal of Mammalogy 89:232–243.

Hopkins, S. S. B. 2008b. Phylogeny and evolutionary history of the Aplodontoidea (Mammalia: Rodentia). Zoological Journal of the Linnean Society 153:769–838.

2007

Barnosky, A. D., F. Bibi, S. S. B. Hopkins, and R. Nichols. 2007. Biostratigraphy and magnetostratigraphy of the mid-Miocene Railroad Canyon Sequence, Montana and Idaho, and age of the mid-Tertiary unconformity west of the continental divide. Journal of Vertebrate Paleontology 27:204–224.

Davis, E. B. 2007. Family Antilocapridae. In The Evolution of Artiodactyls, ed. D.R. Prothero and S.E. Foss.

Davis, E. B., and N. D. Pyenson. 2007. Diversity biases in terrestrial mammalian assemblages and quantifying the differences between museum collections and published accounts: A case study from the Miocene of Nevada. Palaeogeography, Palaeoclimatology, Palaeoecology 250:139-149.

Hopkins, S. S. B. 2007. Causes of lineage decline in the Aplodontidae: Testing for the influence of physical and biological change. Palaeogeography, Palaeoclimatology, Palaeoecology 246:331-353.

2006

Hopkins, S. S. B. 2006. Morphology of the skull in Meniscomys from the John Day Formation of central Oregon. PaleoBios 26:1-9.

2005

Davis, E. B. 2005a. Comparison of climate space and phylogeny of Marmota (Mammalia: Rodentia) indicates a connection between evolutionary history and climate preference. Proceedings of the Royal Society B: Biological Sciences 272:519-526.

Davis, E. B. 2005b. Mammalian beta diversity in the Great Basin, western USA: palaeontological data suggest deep origin of modern macroecological structure. Global Ecology and Biogeography 14:479-490.

Hopkins, S. S. B. 2005. The evolution of fossoriality and the adaptive role of horns in the Mylagaulidae (Mammalia: Rodentia). Proceedings of the Royal Society B: Biological Sciences 272:1705.

2004

Hopkins, S. S. B. 2004. Phylogeny and biogeography of the genus Ansomys (Mammalia: Rodentia: Aplodontidae) and description of a new species from the Barstovian (mid-Miocene) of Montana. Journal of Paleontology 78:731–740.

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