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A new important record of earliest Cenozoic mammalian history: Eutheria and paleogeographic/biostratigraphic summaries
We provide systematic description and discussion for each of 47 species of eutherian (“placental”) mammals from the type Ferris Formation of the western Hanna Basin, south-central Wyoming. AllExpand
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A new important record of earliest Cenozoic mammalian history :geologic setting, Multituberculata, and Peradectia
The type Ferris Formation of south-central Wyoming is thick, comparatively undeformed, and relatively fossiliferous. We documented more than 100 vertebrate-bearing, stratigraphically superposedExpand
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Life at the top of the greenhouse Eocene world--A review of the Eocene flora and vertebrate fauna from Canada's High Arctic
Early–middle Eocene (ca. 53–38 Ma) sediments of the Eureka Sound Group in Canada’s Arctic Archipelago preserve evidence of lush mixed conifer-broadleaf rain forests, inhabited at times by alligators,Expand
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Northernmost record of brontotheres, Axel Heiberg Island, Canada—Implications for age of the Buchanan Lake Formation and brontothere paleobiology
Eocene land vertebrates are rare, relatively recent, discoveries in the Canadian Arctic islands. The first were discovered in 1975 in Eocene-aged strata of the Eureka Sound Group, western EllesmereExpand
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Correlation of Cenozoic Sequences of the Canadian Arctic Region and Greenland; Implications for the Tectonic History of Northern North America
ABSTRACT Evidence is reviewed in this paper for the existence, on the polar margin of Canada and Greenland, of 12 regionally correlative depositional sequences that range from the Danian to theExpand
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Vertebrate faunal changes through Lancian and Puercan time in southern Wyoming
We summarize faunal changes through the thickest and one of the most complete records of terrestrial vertebrates spanning Lancian (∼latest Cretaceous) and Puercan (∼earliest Paleocene) ages, the typeExpand
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Seasonal variability in Arctic temperatures during early Eocene time
Abstract As a deep time analog for today's rapidly warming Arctic region, early Eocene (52–53 Ma) rock on Ellesmere Island in Canada's High Arctic (∼ 79°N.) preserves evidence of lush swamp forestsExpand
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Puercan mammalian systematics and biostratigraphy in the Denver Formation, Denver Basin, Colorado
As a result of the Denver Basin Project, several more fossils of Puercan mammals are reported here from five areas in the Denver Formation: South Table Mountain, Greater Denver, the West Bijou Site,Expand
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Bridging the transition between Didelphodonts and Taeniodonts
The largest documented cimolestid, Alveugena carbonensis new genus and species, is both morphologically and temporally intermediate between small, early cimolestids (such as Procerberus andExpand
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