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NARROW
GeoRef Subject
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all geography including DSDP/ODP Sites and Legs
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United States
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Sabine Uplift (1)
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Texas
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Balcones fault zone (1)
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Dallas County Texas
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Dallas Texas (1)
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Denton County Texas (1)
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East Texas Basin (1)
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San Marcos Arch (1)
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Tarrant County Texas (1)
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fossils
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Chordata
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Vertebrata
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Tetrapoda
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Reptilia
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Diapsida
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Archosauria
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dinosaurs (1)
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Lepidosauria
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Squamata
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Lacertilia
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Mosasauridae (1)
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Sauropterygia
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Plesiosauria (1)
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tracks (1)
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geologic age
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Mesozoic
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Cretaceous
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Upper Cretaceous
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Campanian
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lower Campanian (1)
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Cenomanian (1)
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Gulfian
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Austin Group (1)
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Eagle Ford Formation (1)
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Woodbine Formation (1)
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Primary terms
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Chordata
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Vertebrata
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Tetrapoda
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Reptilia
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Diapsida
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Archosauria
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dinosaurs (1)
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Lepidosauria
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Squamata
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Lacertilia
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Mosasauridae (1)
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Sauropterygia
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Plesiosauria (1)
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Mesozoic
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Cretaceous
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Upper Cretaceous
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Campanian
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lower Campanian (1)
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Cenomanian (1)
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Gulfian
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Austin Group (1)
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Eagle Ford Formation (1)
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Woodbine Formation (1)
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sedimentary structures
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biogenic structures
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bioturbation (1)
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planar bedding structures
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cross-bedding (1)
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United States
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Sabine Uplift (1)
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Texas
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Balcones fault zone (1)
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Dallas County Texas
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Dallas Texas (1)
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Denton County Texas (1)
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East Texas Basin (1)
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San Marcos Arch (1)
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Tarrant County Texas (1)
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sedimentary structures
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sedimentary structures
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biogenic structures
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bioturbation (1)
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planar bedding structures
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cross-bedding (1)
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tracks (1)
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ABSTRACT Outcrops of Late Cretaceous Gulf Series strata (Woodbine, Eagle Ford, and Austin) in the Dallas area expose middle Cenomanian to the early Campanian (96 to ˜ 83 Ma) rocks, which are well known in the subsurface of the oil-rich East Texas Basin. Together with the underlying Comanche Series and overlying younger Gulf Series, this set of strata provides a record of the last 50 million years of the Cretaceous. Although both marine and terrestrial vertebrates are known in this interval, the Late Cretaceous record is primarily marine. On this field trip, sites are visited that have yielded sharks, bony fish, turtles, dinosaurs, crocodiles, pterosaurs, mammals, long- and short-necked plesiosaurs, and a classic record of mosasaur evolution.
Nycticeboides simpsoni and the morphology, adaptations, and relationships of Miocene Siwalik Lorisidae
Abstract The fossil record of lorisiforms in Asia is currently restricted to specimens recovered from a half-dozen localities of Miocene age (13 Ma to 7 Ma) in the Siwalik Group of northern Pakistan and in related deposits of India. More than one lorisid taxon is represented in the Pakistan material, but Nycticeboides simpsoni Jacobs, 1981 is currently the only named species. A partial skeleton of Nycticeboides , although poorly preserved, possesses diagnostic lorisid synapomorphies of the auditory region and the vertebral column. The fact that Nycticeboides was a small animal is important for understanding its ecology. A primate frugivore with the M 1 dimensions of Nycticeboides should have a body weight of only about 500 g according to commonly-used regression statistics. However, if Nycticeboides was mostly insectivorous, and its molar teeth scaled to body size in the manner characteristic of highly insectivorous primates and non-zalambdodont insectivores, then it may have weighed much less than this estimate.