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A new Early Eocene (Lostcabinian) mammal assemblage from the Main Body of the Wasatch Formation, Northern Green River Basin; The Pinnacles, Sweetwater Co., Wyoming
DownloadFall 2013
Taphonomy of fluvially deposited microvertebrates and systematic paleontology of the Pinnacles buttes in the northwest Great Divide Basin is examined. The Pinnacles buttes contain an early Eocene mammal assemblage of over 900 cataloged specimens from several prolific University of Michigan...
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Osteology, Taxonomy, Phylogeny, and Body Shape Changes of Eocene Catostomid and Problematic Catostomid Fishes
DownloadFall 2016
Extant catostomid fishes occupy diverse aquatic ecosystems and niches in North America (NA). Less than 3% of catostomid taxonomic richness, or two species, are found outside of NA in Asia. Such adjunct and unbalanced distribution pattern has been established since the late Oligocene, when...
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Sedimentology, ichnology, and sequence stratigraphy of the Middle-Upper Eocene succession in the Fayum Depression, Egypt
DownloadFall 2009
Middle-Upper Eocene successions were studied in the Fayum Depression in order to establish depositional and paleoenvironmental models that link the ichnological and sedimentologic data to relative sea-level changes in a sequence stratigraphic framework. Five facies associations (FA1- FA5) are...