Analyses of physiognomy of Late Cretaceous leaf assemblages and of structural
adaptations of Late Cretaceous dicotyledonous woods indicate that megathermal vegetation …

Late Palaeocene uplift of the Beartooth Range in northwestern Wyoming and southwestern
Montana generated the Beartooth Conglomerate along the eastern and northeastern flanks …

Our attempt at putatively phylogenetic classifications of Angiospermae, considering our vast
ignorance of more than 120 million years of evolution of the class, must be very tentative and …

The warmest global temperatures of the Cenozoic Era occurred in early Eocene time,
following a warming trend that started in late Paleocene time. The greater Green River Basin …

Climatic warming from the late Paleocene into the early Eocene had profound effects on
atmospheric and marine circulation, marine thermal gradients, and benthic biota. In addition …

Taphonomy is defined as the study of the transition of organic remains from the living
organism to fossil assemblages (Efremov, 1940). As such, plant taphonomy incorporates the …

Extrachannel sediments of the lower Eocene Willwood Formation, which were subdivided
into different pedofacies or developmental stages, exhibit two well-developed orders of …

ABSTRACT The Paleocene-Eocene transition in North American land-mammal faunas is
well documented on the south side of Polecat Bench and in surrounding badlands of …

An integrated structural, sedimentological, and provenance study of the upper Paleocene
Beartooth Conglomerate along the eastern flank of the Beartooth Range in Montana and …

ABSTRACT The Hell Creek and Fort Union Formations in southwestern North Dakota and
northwestern South Dakota have yielded a diverse megaflora of 380 species from 158 …