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Tuesday, July 21, 2020 | History

3 edition of Fossil mammals of the early Wasatchian Powder River local fauna, Eocene of northeast Wyoming. found in the catalog.

Fossil mammals of the early Wasatchian Powder River local fauna, Eocene of northeast Wyoming.

Eric Delson

Fossil mammals of the early Wasatchian Powder River local fauna, Eocene of northeast Wyoming.

by Eric Delson

  • 209 Want to read
  • 22 Currently reading

Published by American Museum of Natural History in New York .
Written in English

    Places:
  • Wyoming,
  • Johnson County.
    • Subjects:
    • Mammals, Fossil -- Wyoming -- Johnson County.,
    • Paleontology -- Eocene.,
    • Paleontology -- Wyoming -- Johnson County.

    • Edition Notes

      Bibliography: p. 360-364.

      SeriesBulletin of the American Museum of Natural History,, v. 146, article 4, Bulletin of the American Museum of Natural History ;, v. 146, article 4.
      Classifications
      LC ClassificationsQH1 .A4 vol. 146, art. 4, QE881 .A4 vol. 146, art. 4
      The Physical Object
      Pagination307-364 p.
      Number of Pages364
      ID Numbers
      Open LibraryOL5344338M
      LC Control Number72200923

      The quality and quantity of the fossils are superb: most of the species to be found there are known from hundreds of specimens. The fossils in the White River Group (and similar deposits in the American west) preserve the entire late Eocene through the middle Oligocene, roughly Summary: The three informal divisions of the Wasatch group of Hayden ()) basal reddish-yellow sandy clays and conglomerates, 2) light-colored rhyolitic ash beds with intercalated white limestone lenses with freshwater shells and leaves, and 3) reddish-yellow sandy clay and irregular sandstone beds named a) Almy formation, b) Fowkes formation, and c) Knight formation in this report.

      ABSTRACT-Several recently discovered fossil specimens add to our knowledge of plesiadapiform primates. Micromomys willwoodensis, new species, is a diminutive mic-rosyopid from the early Eocene (early Wasatchian) Willwood Formation of the Clark's Fork Basin, Wyoming. It is larger and more specialized than late Paleocene M. vossae and M. Eric Delson has written: 'Fossil mammals of the early Wasatchian Powder River local fauna, Eocene of northeast Wyoming' -- subject(s): Fossil Mammals, Paleontology 'Fossil colobine monkeys of the.

      The Kishenehn Formation of northwest Montana and southeast British Columbia hosts one of the most prolific and diverse assemblages of fossil nonmarine mollusks in North America. More than 76 taxa, of which 41 are newly described species, of middle Eocene to early Miocene terrestrial and aquatic gastropods have been collected and described. This paper reports on the discoveries made in the. The first Eocene vertebrate assemblage known from the Great Basin, the Elderberry Canyon Local Fauna, occurs in rocks referred to the Sheep Pass Formation near Ely, Nevada. Approximately 40 taxa are now known, including small anuran amphibians, small reptiles, birds, and mammals.


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Fossil mammals of the early Wasatchian Powder River local fauna, Eocene of northeast Wyoming by Eric Delson Download PDF EPUB FB2

"The Powder river local fauna, collected mainly under the direction of H.E. Wood, II, is of earliest Wasatchian age, correlative with the Four Mile and early Gray Bull assemblages. The enclosing Eocene rocks are probably not referable to the Wasatch formation. Buy FOSSIL MAMMALS OF THE EARLY WASATCHIAN POWDER RIVER LOCAL FAUNA, EOCENE OF NORTHEAST WYOMING.

on FREE SHIPPING on qualified orders. Get this from a library. Fossil mammals of the early Wasatchian Powder River local fauna, Eocene of northeast Wyoming. [Eric Delson]. ill., maps ; 27 es bibliographical references (p.

)."The Powder river local fauna, collected mainly under the direction of H.E. Wood, II, is of earliest Wasatchian age, correlative with the Four Mile and early Gray Bull assemblages. The enclosing Eocene rocks are probably not referable to the Wasatch : Eric. Delson and Horace Elmer Wood.

Fossil mammals of the early Wasatchian Powder River Local Fauna, Eocene of northeast Wyoming. Bulletin of the American Museum of Natural History, – Denison, R. Delson mammals of the early Wasatchian Powder River local fauna, Eocene of northeast Wyoming Bull. Amer. Mus. Nat.

Hist., vol. 27 (), pp. Google Scholar. Delson, E.,Fossil mammals of the early Wasatchian Powder River local fauna, Eocene of northeast Wyoming: Bulletin of the American Museum of Natural History, v. p. –   Fossil mammals of the early Wasatchian Powder River Local Fauna, Eocene of northeast Wyoming.

Am Mus Nat Hist Bull. – [Google Scholar]: Figure 1(B)) and, based on regional dip and topography, presumably higher stratigraphically. Although numerous wells have been drilled in the PRB, they usually focus on the petroleum bearing.

Fossil mammals of the early Wasatchian Powder River local fauna, Eocene of northeast Wyoming. Bulletin of the American Museum of Natural History Google Scholar. Erickson BR. Fossil mammals of the early Wasatchian Powder River local fauna, Eocene of northeast Wyoming.

Bulletin of the American Museum of Natural History– Google Scholar. Carbon isotope and magnetostratigra- phy of the P/E transi- tion in the Hengyang Basin, and the pro- posed intercontinental correlation of late Pa- leocene/early Eocene mammal faunas.

Early Eocene Bighorn Basin mammals have demonstrated an increase in molar size that corresponds to the cooling event between Biohorizons A and B (Bown et al. a; Dunn and Rose ).

However. Delson, Eric. Delson, Eric, Eric Delson archéologue, préhistorien et paléoanthropologue américain () VIAF ID: (Personal). Abstract. For over a century the Bridger Formation of southwestern Wyoming has yielded fossils of many important middle Eocene vertebrate taxa.

This formation is of particular interest to the study of ancient primates because their remains are plentiful. Local heterogeneity was lower in Paleocene backswamp floras, although distinct groups of species dominated in different local fluvial settings such as backswamps and alluvial ridges.

Heterogeneity of backswamp forests increased by about 65% from the early to late Wasatchian (early Eocene). Galecyon is one of the first appearing hyaenodontid creodonts, as well as one of the most poorly known.

New specimens greatly improve our understanding of the morphology of this early Eocene genus, thereby enhance knowledge of the earliest radiation of Hyaenodontidae, and include the first associated upper dental remains, as well as fragmentary cranial remains.

The new records substantially. Two new genera of Clarkforkian and early Wasatchian mammals add to our knowledge of the diversity of early Eocene faunas of the Bighorn Basin.

DELSON, E. Fossil mammals of the early Wasatchian Powder River Local Fauna, Eocene of northeast Wyoming. Bull. Amer. Mus. McKENNA, M. Fossil Mammalia from the early Wasatchian. Main Evolution of Tertiary Mammals of North America. Evolution of Tertiary Mammals of North America local fauna nebraska taxa paleontology creek anterior matthew vertebrate cusps Post a Review You can write a book review and share your experiences.

Other readers will always be interested in. Fossil mammals of the Early Wasatchian Powder River local fauna, Eocene of northeast Wyoming. 60 p., 24 figs, 18 tables, paperbound; PV € 10 Demathieu, G. & H.W. Oosterink, Die Wirbeltier-Ichnofauna aus dem unteren Muschelkalk von Winterswijk (Die Reptilienfährten aus der Mitteltrias der Niederlande).

52 p., 13 tables, 56 figs. The remaining early Eocene equids consist of five more taxa that potentially represent another lineage segment. These taxa, Bighorn medium, Kihm sp. F, AMNHLaBarge medium, and the Dad local fauna equid, represent the continued evolution of these late Wasatchian forms.

Fossil mammals of the Early Wasatchian Powder River Local Fauna, Eocene of northeast Wyoming. Bull. Am. Mus. Nat. Hist. Guthrie, D. A. Paeneprolimnocyon, a new genus of Early Eocene limnocyonid (Mammalia, Creodonta).

J. Paleontol. The mammalian fauna of the Lost Cabin Member, Wind River Formation (lower.Outcrop area of Eocene and Oligocene rocks in the greater Rocky Mountain throughout most of the area in the Paleocene the Wasatchian, paludal deposition of organic-and were environments of deposition for coalsin the Powder River, Bighorn, Green River, and rich sediment waned in most of the basins, andother basins.Fossil mammals from the "Mesaverde" Formation (late Cretaceous, Judithian) of the Bighorn and Wind River basins, Wyoming: with definitions of late Cretaceous North American land-mammal "ages".

Fossil mammals of the early Wasatchian Powder River local fauna, Eocene of northeast Wyoming. Bulletin of the AMNH ; v.article 4.