Major innovations in the evolution of vegetation such as the Devonian origin of forests
created new weathering regimes and soils (Alfisols, Histosols) that increased carbon …

Paleotemperature and paleoprecipitation over the past 40 m. yr. can be inferred from the
degree of chemical weathering and depth of carbonate nodules in paleosols of Oregon …

The Brontotheriidae is an extinct family of Eocene perissodactyls known from North America,
Asia, and, rarely, Eastern Europe. Brontotheres are widely recognized as having evolved …

Cadurcodon maomingensis sp. nov. is described based on a partial skull and associated
vertebrae from the middle–upper Eocene Youganwo Formation in the Maoming Basin …

Several patterns were revealed in a temporal study on morphological variety of Sorex
araneus and S. tundrensis (Soricidae, Mammalia). We examined samples from 18 modern …

Two new species of tapiroid perissodactyls referred to Hesperaletes gen. nov. are described
from the Uintan of southern California. Hesperaletes has a deeply retracted narial incision …

Protitanops curryi, Duchesneodus uintensis, Megacerops coloradensis, and Megacerops
kuwagatarhinus. The Asian species Parabrontops gobiensis and Dianotitan lunanensis also …

The 31 crania of the agriochoerid oreodont from the Hancock Mammal Quarry (HMQ)
possess character states unique among described agriochoerid species. Characters unique …

Zaisanamynodon protheroi is a new species of on protheroi large metamynodontinine
amynodontid rhinoceros from the Eocene (late Uintan) Hancock quarry local fauna of the …

We diagnose a new species of Brontotheriidae from a middle Eocene locality, the Clarno
Nut Beds, from the Clarno Formation, John Day Basin, Central Oregon. Though renowned …