First report of fossil turtle eggshell west of the Colorado Plateau

References

• Bartow JA. 1991. The Cenozoic Evolution of the San Joaquin Valley, California. U.S. Geological Survey Professional Paper 1501. Washington, DC: United States Government Printing Office.
   Google Scholar
• Biewer J, Sankey J, Hutchison H, Garber D. 2016. A fossil giant tortoise from the Meherten Formation of northern California. PaleoBios. 33:1–13.
   Google Scholar
• Brattstrom BH. 1961. Some new fossil tortoises from western North America with remarks on the zoogeography and paleoecology of tortoises. J Paleontol. 35:543–560.
   Web of Science ®Google Scholar
• Bury RB, Germano DJ. 1994. Biology of North American tortoises: introduction. In: Bury RB and Germano DJ, editors. Biology of North American tortoises. Washington (DC): National Biological Survey, Fish and Wildlife Research. No. 13; p. 1–5.
   Google Scholar
• Creely S, Savage DE, Ogle BA. 1982. Stratigraphy of upper Tertiary nonmarine rocks of central Contra Costa Basin, California. In: Ingersoll RV, Woodburne MO, editors. Cenozoic nonmarine deposits of California and Arizona. Bakersfield (CA): Pacific section, SEPM; p. 11–22.
   Google Scholar
• Elgar M, Heaphy LJ. 1989. Covariation between clutch size, egg weight and egg shape: comparative evidence for chelonians. J Zool. 219:137–152.10.1111/jzo.1989.219.issue-1
   Web of Science ®Google Scholar
• Evans T. 2012. Oceanic transport of calcified eggs: taphonomic and biogeographic implications. Hist Biol. 24:467–487.10.1080/08912963.2012.687594
   Web of Science ®Google Scholar
• Fox-Dobbs K, Dundas RG, Trayler RB, Holroyd PA. 2014. Paleoecological implications of new megafaunal 14C ages from the McKittrick tar seeps, California. J Vert Paleontol. 34:220–223.10.1080/02724634.2013.791694
   Web of Science ®Google Scholar
• Geotechnical Baseline Report: Caldecott Improvement Project. 2009, June. Jacobs Associates; 100 p.
   Google Scholar
• Graham SA, Mccloy C, Hitzman M, Ward R, Turner R. 1984. Basin evolution during change from convergent to transform continental margin in central California. Am Assoc Pet Geol Bul. 68:233–249.
   Web of Science ®Google Scholar
• Hall CA. 2002. Nearshore marine paleoclimatic regions, increasing zoogeographic provinciality, molluscan extinctions, and paleoshorelines, California: late Oligocene (27 Ma) to late Pliocene (2.5 Ma). Geol Soc Am Spec Pap. 357:1–489.
   Google Scholar
• Hayward JL, Dickson KM, Gamble SR, Owen AW, Owen KC. 2011. Eggshell taphonomy: environmental effects on fragment orientation. Hist biol. 23:5–13.
   Web of Science ®Google Scholar
• Hirsch KF. 1983. Contemporary and fossil chelonian eggshells. Copeia. 1983:382–397.10.2307/1444381
   Web of Science ®Google Scholar
• Hirsch KF. 1996. Parataxonomic classification of fossil chelonian and gecko eggs. J Vert Paleontol. 16:752–762.10.1080/02724634.1996.10011363
   Web of Science ®Google Scholar
• Hirsch KF, Bray E. 1988. Spheroidal eggs – avian and chelonian – from the Miocene and Oligocene of the western interior. Hunteria. 1:1–8.
   Google Scholar
• Hoyt DF. 1979. Practical methods for estimating volume and fresh weight of bird eggs. Auk. 96:73–77.
   Web of Science ®Google Scholar
• Imai T, Varricchio DJ, Cahoon J, Plymesser K. 2015. Sedimentological analyses of eggshell transport and deposition: implication and application to eggshell taphonomy. Palaios. 30:435–445.10.2110/palo.2013.116
   Web of Science ®Google Scholar
• Iverson JB, Balgooyen CP, Byrd KK, Lyddan KK. 1993. Latitudinal variation in egg and clutch size in turtles. Can J Zool. 82:102–109.
   Google Scholar
• Iverson JB, Ewert MA. 1991. Physical characteristics of reptilian eggs and a comparison with avian eggs. In: Deeming SC, Ferguson MWJ, editors. Egg incubation. Cambridge: Cambridge University Press; 448p.
   Google Scholar
• Jackson FD, Jin X, Varricchio DJ, Azuma Y, Jiang Y. 2008. The first in situ turtle clutch from the Cretaceous Tiantai Basin, Zhejiang Province, China. J Vert Paleontol. 28:319–325.10.1671/0272-4634(2008)28[319:TFISTC]2.0.CO;2
   Web of Science ®Google Scholar
• Jackson FD, Schweitzer MH, Schmitt JG. 2002. Dinosaur eggshell study using scanning electron microscopy. Scanning. 24:217–223.
   PubMed Web of Science ®Google Scholar
• Jackson FD, Varricchio DJ, Jackson RA, Walde AD, Bishop GA. 2015. Taphonomy of extant desert tortoise (Gopherus agassizii) and loggerhead sea turtle (Caretta caretta) nesting sites: implications for interpreting the fossil record. Palaios. 30:207–223.10.2110/palo.2014.048
   Web of Science ®Google Scholar
• Janis CM, Gunnell GF, Uhen MD, editors. 2008. Evolution of Tertiary mammals of North America. vol 2. Cambridge: Cambridge University Press.
   Google Scholar
• Jones DL, Curtiss G. 1991. Guide to the geology of the Berkeley Hills, Central Coast Ranges, California. In: Sloan D, Wagner DL, editors. Geologic excursions in northern California: San Francisco to the Sierra Nevada. Sacramento (CA): California Division of Mines and Geology Special Publication 109; p. 63–74.
   Google Scholar
• Knell MJ, Jackson FD, Titus AL, Albright LB, III. 2011. A gravid fossil turtle from the Upper Cretaceous (Campanian) Kaiparowits Formation, southern Utah. Hist Biol. 23:57–62.10.1080/08912963.2010.499167
   Web of Science ®Google Scholar
• Kohring R. 1999. Structure, Biostratinomy, systematics and phylogeny: relevancy of vertebrate amniote eggshells. Courier Forschungsinstitut Senckenberg. 210:1–307.
   Google Scholar
• Lawver D, Jackson FD. 2014. A review of the fossil record of turtle reproduction: eggs, embryos, nests and copulating pairs. Bull Peabody Mus Nat Hist. 55:215–236.10.3374/014.055.0210
   Web of Science ®Google Scholar
• Lawver D, Jackson FD. Forthcoming.
   Google Scholar
• Lawver D, Rasoamiaramanna AH, Werneberg, I. 2015. An occurrence of fossil eggs from the Mesozoic of Madagascar and a detailed observation of eggshell microstructure. J Vert Paleontol. e973030 6p.
   Web of Science ®Google Scholar
• Merriam JC. 1913. Vertebrate fauna of the Orindan and Siestan beds in middle California. Univ Calif Bull Dep Geol. 7:373–385.
   Google Scholar
• Meylan PA, Sterrer W. 2000. Hesperotestudo (Testudines: Testudinidae) from the Pleistocene of Bermuda, with comments on the phylogenetic position of the genus. Zool J Linn Soc. 128:51–76.10.1111/j.1096-3642.2000.tb00649.x
   Web of Science ®Google Scholar
• Mikhailov KE. 1997. Fossil and recent eggshell in amniotic vertebrates: fine structure, comparative morphology and classification. Spec Pap Palaeontol. 56:1–80.
   Google Scholar
• Oser SE, Jackson FD. 2014. Sediment and eggshell interactions: using abrasion to assess transport in fossil eggshell accumulations. Hist Biol. 26:165–172.10.1080/08912963.2013.814650
   Web of Science ®Google Scholar
• Page BM. 1950. Geology of the Broadway Tunnel, Berkeley Hills. Econ Geol. 45:142–166.10.2113/gsecongeo.45.2.142
   Google Scholar
• Sloan D. 2006. Geology of the San Francisco Bay region. Berkeley: University of California Press.
   Google Scholar
• Stirton RA. 1939. Cenozoic mammal remains from the San Francisco Bay region. Univ Calif Bull Dep Geol Sci. 24:339–410.
   Google Scholar
• Zelenitsky DK, Therrien F, Joyce WG, Brinkman DB. 2008. First fossil gravid turtle provides insight into the evolution of reproductive traits in turtles. Biol Lett. 4:715–718.10.1098/rsbl.2008.0395
   PubMed Web of Science ®Google Scholar