Paleogeography and paleoenvironments of the Late Devonian Kellwasser event: A review of its sedimentological and geochemical expression

SK Carmichael, JA Waters, P Königshof… - Global and Planetary …, 2019 - Elsevier
Abstract The Late Devonian (383-359 Ma) was a time of prolonged climate instability with
catastrophic perturbation of global marine ecosystems at the Frasnian-Famennian (FF) and …

[HTML][HTML] On the causes of mass extinctions

DPG Bond, SE Grasby - Palaeogeography, Palaeoclimatology …, 2017 - Elsevier
The temporal link between large igneous province (LIP) eruptions and at least half of the
major extinctions of the Phanerozoic implies that large scale volcanism is the main driver of …

Living on the edge: the impact of protracted oxygen stress on life in the Late Devonian

DL Boyer, AM Martinez, SD Evans, PA Cohen… - Palaeogeography …, 2021 - Elsevier
Abstract The Late Devonian records one of the most dramatic series of taxonomic and
ecological turnovers in the history of life. The precise controls over the elevated extinctions …

Appalachian Basin mercury enrichments during the Late Devonian Kellwasser Events and comparison to global records

KH Pippenger, L Estrada, DS Jones… - Palaeogeography …, 2023 - Elsevier
Abstract The Late Devonian Kellwasser Events are two major biodiversity crises recorded at
and just below the Frasnian-Famennian stage boundary for which the ultimate cause or …

Accelerated mass extinction in an isolated biota during Late Devonian climate changes

JQ Pier, SK Brisson, JA Beard, MT Hren, AM Bush - Scientific Reports, 2021 - nature.com
The fossil record can illuminate factors that contribute to extinction risk during times of global
environmental disturbance; for example, inferred thermal tolerance was an important …

STRATIGRAPHY OF THE FRASNIAN-FAMENNIAN BOUNDARY INTERVAL IN SHALLOWMARINE PALEOENVIRONMENTS OF NEW YORK AND NORTH-CENTRAL …

AM Bush, JA Beard, SK Brisson… - Bulletins of American …, 2023 - search.ebscohost.com
Abstract The Frasnian-Famennian boundary interval is exposed in New York State in an
outcrop belt that stretches from Lake Erie eastward to Steuben County, continuing into …

Preservation and host preferences of late Frasnian (late Devonian) skeletobionts in the Appalachian foreland basin, USA

JP Kerr, JQ Pier, SK Brisson, JA Beard… - Palaios, 2022 - pubs.geoscienceworld.org
Skeletobionts, organisms that attach to or bore into the skeleton of a host, provide a useful
system to observe biological interactions over geological timescales. We examined …

Tiny keys to unlocking the Kellwasser events: Detailed characterization of organic walled microfossils associated with extinction in western New York State

AA Kelly, PA Cohen, DL Boyer - Palaios, 2019 - pubs.geoscienceworld.org
ABSTRACT Globally, Upper Devonian sedimentary successions are characterized by
multiple organic-rich strata associated with dysoxic to anoxic conditions and biological …

Oxygen and sulfur stable isotope ratios of Late Devonian vertebrates trace the relative salinity of their aquatic environments

J Goedert, D Broussard, J Trop… - Geological …, 2024 - pubs.geoscienceworld.org
Late Devonian aquatic environments hosted the fin-to-limb transition in vertebrates. Upper
Devonian (ca. 365− 360 Ma) strata in Pennsylvania, USA, preserve a diversity of fishes and …

Niche conservatism and ecological change during the Late Devonian mass extinction

SK Brisson, JQ Pier, JA Beard… - … of the Royal …, 2023 - royalsocietypublishing.org
Studies of the fossil record can inform our understanding of not only the causes of mass
extinctions, but also their effects on biodiversity, ecology and evolution. Here, we examine …