Cambrian radiation speciation events driven by sea level and redoxcline changes on the Siberian Craton
The evolutionary processes of speciation during the Cambrian radiation and their potential
extrinsic drivers, such as episodic oceanic oxygenation events, remain unconfirmed. High …
extrinsic drivers, such as episodic oceanic oxygenation events, remain unconfirmed. High …
Development of eodiscinid trilobites
T Dai, X Zhang - Biological Reviews, 2024 - Wiley Online Library
ABSTRACT A comprehensive review of a full developmental sequence of eodiscinid
trilobites reported in recent decades from Cambrian Series 2 and 3 strata is presented …
trilobites reported in recent decades from Cambrian Series 2 and 3 strata is presented …
Quantitative ichnology: a novel framework to determine the producers of locomotory trace fossils with the ichnogenus Gordia as a case study
Trace fossils record the interactions between organisms and their surroundings, and can
therefore provide unique insights into the coevolution of trace makers and the environment …
therefore provide unique insights into the coevolution of trace makers and the environment …
U–Pb zircon ages from tuffaceous beds in the Terreneuvian to Cambrian Series 2 sections of Avalonian southern New Brunswick, Canada: new constraints on …
MA Hamilton, JJ Álvaro, SM Barr… - Geological Society …, 2024 - lyellcollection.org
Avalonian sections in the Saint John area, southern New Brunswick, have long contributed
to global understanding of Cambrian chronostratigraphy. A tuffaceous bed in the Ratcliffe …
to global understanding of Cambrian chronostratigraphy. A tuffaceous bed in the Ratcliffe …
[HTML][HTML] Function of flow wakes for queuing trilobites: Positioning rather than drag reduction–Criteria for drag force assessment in palaeontological CFD simulations
Z Wang, GD Edgecombe, J Hou - Palaeogeography, Palaeoclimatology …, 2024 - Elsevier
Trilobites are one of the most important invertebrate clades in the Palaeozoic, with
significant disparity in morphology and behaviour, the latter including intriguing instances of …
significant disparity in morphology and behaviour, the latter including intriguing instances of …
Contrasting patterns of disparity suggest differing constraints on the evolution of trilobite cephalic structures during the Cambrian 'explosion'
JD Holmes - Palaeontology, 2023 - Wiley Online Library
Trilobites are an abundant group of Palaeozoic marine euarthropods that appear abruptly in
the fossil record c. 521 million years ago. Quantifying the development of morphological …
the fossil record c. 521 million years ago. Quantifying the development of morphological …
Ediacaran paleobiology and biostratigraphy of the Nama Group, Namibia, with emphasis on the erniettomorphs, tubular and trace fossils, and a new sponge, Arimasia …
B Runnegar, JG Gehling, S Jensen… - Journal of …, 2024 - pubs.geoscienceworld.org
Ediacaran fossils, obtained in stratigraphic context in 1993, 1995, and 1996, with the
assistance of A. Seilacher, IGCP project 320 scientists, and the Geological Survey of …
assistance of A. Seilacher, IGCP project 320 scientists, and the Geological Survey of …
An Atlas of Malformed Trilobites from North American Repositories Part 2. The American Museum of Natural History
Trilobites with malformations present important insight into the paleoecology of the wholly
extinct arthropod group. This includes records of failed predation, developmental …
extinct arthropod group. This includes records of failed predation, developmental …
U-Pb zircon dates from North American and British Avalonia bracket the Lower–Middle Cambrian boundary interval, with evaluation of the Miaolingian Series as a …
E Landing, MD Schmitz, SR Westrop… - Geological Magazine, 2023 - cambridge.org
High-precision U-Pb zircon ages on SE Newfoundland tuffs now bracket the Avalonian
Lower–Middle Cambrian boundary. Upper Lower Cambrian Brigus Formation tuffs yield …
Lower–Middle Cambrian boundary. Upper Lower Cambrian Brigus Formation tuffs yield …
Cambrian origin but no early burst in functional disparity for Class Bivalvia
Both the Cambrian explosion, more than half a billion years ago, and its Ordovician
aftermath some 35 Myr later, are often framed as episodes of widespread ecological …
aftermath some 35 Myr later, are often framed as episodes of widespread ecological …