The Spence Shale Lagerstätte: an important window into Cambrian biodiversity

J Kimmig, LC Strotz, SR Kimmig… - Journal of the …, 2019 - lyellcollection.org
The Spence Shale Member of the Langston Formation is a Cambrian (Miaolingian: Wuliuan)
Lagerstätte in northeastern Utah and southeastern Idaho. It is older than the more well …

Probability-based preservational variations within the early Cambrian Chengjiang biota (China)

F Saleh, X Ma, P Guenser, MG Mángano, LA Buatois… - PeerJ, 2022 - peerj.com
Abstract The Chengjiang biota (Yunnan Province, China) is a treasure trove of soft-bodied
animal fossils from the earliest stages of the Cambrian explosion. The mechanisms …

Shelly coprolites record durophagous predation in the Late Ordovician Bohdalec Formation (Katian; Prague Basin, Czech Republic)

RDC Bicknell, J Bruthansová, J Kimmig - Geobios, 2024 - Elsevier
Trace fossils can illustrate important palaeobiological interactions within a fossil assemblage
that body fossils do not record. A group of trace fossils that showcase feeding ecology, and …

Exceptional preservation requires fast biodegradation: thylacocephalan specimens from La Voulte‐sur‐Rhône (Callovian, Jurassic, France)

C Jauvion, S Bernard, P Gueriau, C Mocuta… - …, 2020 - Wiley Online Library
Konservat‐Lagerstätten are seen as snapshots of past biodiversity for a given location and
time. However, processes leading to the exceptional morphological preservation of fossils in …

Facies and systems tracts at high-resolution in an organic-rich mudstone: The Duvernay Formation, Kaybob area, Alberta, Canada

DJ Shaw, NB Harris - Sedimentary Geology, 2022 - Elsevier
In organic-rich mudstones, vertical sequences of sedimentary facies record the depositional
responses to complex and varying controls: development of accommodation, redox …

Taphonomic experiments on caridean shrimp elucidate the timing and influence of organic matter on diagenetic pyritization and sulfurization

GP Odin, J Leloup, TTN Tu, S Charbonnier, S Derenne - Chemical Geology, 2024 - Elsevier
Sulfur is an element particularly valuable for preserving organisms in the fossil record. On
one hand, sulfurization (ie incorporation of sulfur into organic matter) forms macromolecules …

Quantified growth and possible heterochronic development of two corynexochid trilobites from the middle Cambrian (Miaolingian Series, Wuliuan Stage) Mount Cap …

NM Handkamer, BR Pratt - Journal of Paleontology, 2024 - cambridge.org
The ontogeny of two species of corynexochid trilobites from the middle Cambrian Mount Cap
Formation of the eastern Mackenzie Mountains, northern Canada, is documented. Sahtuia …

An Atlas of Malformed Trilobites from North American Repositories Part 2. The American Museum of Natural History

RDC Bicknell, PM Smith, MJ Hopkins - American Museum Novitates, 2024 - BioOne
Trilobites with malformations present important insight into the paleoecology of the wholly
extinct arthropod group. This includes records of failed predation, developmental …

Taphonomic experiments imply a possible link between the evolution of multicellularity and the fossilization potential of soft‐bodied organisms

E Naimark, D Kirpotin, N Boeva… - Ecology and …, 2021 - Wiley Online Library
The reliability of evolutionary reconstructions based on the fossil record critically depends on
our knowledge of the factors affecting the fossilization of soft‐bodied organisms. Despite …

Evidence for microbially mediated silver enrichment in a middle Cambrian Burgess Shale-type deposit, Mackenzie Mountains, northwestern Canada

J Kimmig, BR Pratt - Canadian Journal of Earth Sciences, 2022 - cdnsciencepub.com
The Selwyn basin and Mackenzie platform of northwestern Canada house an array of
mineral deposits and prospects that are rich in silver, including Neoproterozoic red-bed or …