The significance of Anomalocaris and other Radiodonta for understanding paleoecology and evolution during the Cambrian explosion

GJM Potin, AC Daley - Frontiers in Earth Science, 2023 - frontiersin.org
One of the most widespread and diverse animal groups of the Cambrian Explosion is a
clade of stem lineage arthropods known as Radiodonta, which lived exclusively in the early …

[HTML][HTML] The origin and evolution of the euarthropod labrum

GE Budd - Arthropod structure & development, 2021 - Elsevier
A widely (although not universally) accepted model of arthropod head evolution postulates
that the labrum, a structure seen in almost all living euarthropods, evolved from an anterior …

Raptorial appendages of the Cambrian apex predator Anomalocaris canadensis are built for soft prey and speed

RDC Bicknell, M Schmidt… - … of the royal …, 2023 - royalsocietypublishing.org
The stem-group euarthropod Anomalocaris canadensis is one of the largest Cambrian
animals and is often considered the quintessential apex predator of its time. This radiodont …

Radiodont frontal appendages from the Fezouata Biota (Morocco) reveal high diversity and ecological adaptations to suspension-feeding during the Early Ordovician

GJM Potin, P Gueriau, AC Daley - Frontiers in Ecology and Evolution, 2023 - frontiersin.org
Introduction The Early Ordovician Fezouata Shale Formation (485–475Ma, Morocco) is a
critical source of evidence for the unfolding Great Ordovician Biodiversification Event …

A new hurdiid radiodont from the Burgess Shale evinces the exploitation of Cambrian infaunal food sources

J Moysiuk, JB Caron - Proceedings of the Royal Society …, 2019 - royalsocietypublishing.org
Radiodonts, a clade of Cambro-Devonian stem group euarthropods, have classically been
regarded as nektonic apex predators. However, many aspects of radiodont morphology and …

New exceptionally preserved panarthropods from the Drumian Wheeler Konservat‐Lagerstätte of the House Range of Utah

R Lerosey‐Aubril, J Kimmig, S Pates… - Papers in …, 2020 - Wiley Online Library
Abstract The Drumian Wheeler Konservat‐Lagerstätte of the House Range of Utah (Wheeler‐
HR) has yielded one of the most diverse exceptionally preserved Cambrian biotas of North …

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 …

The diverse radiodont fauna from the Marjum Formation of Utah, USA (Cambrian: Drumian)

S Pates, R Lerosey-Aubril, AC Daley, C Kier, E Bonino… - PeerJ, 2021 - peerj.com
Radiodonts have long been known from Cambrian deposits preserving non-biomineralizing
organisms. In Utah, the presence of these panarthropods in the Spence and Wheeler …

[HTML][HTML] Addressing the Chengjiang conundrum: A palaeoecological view on the rarity of hurdiid radiodonts in this most diverse early Cambrian Lagerstätte

Y Wu, S Pates, J Ma, W Lin, Y Wu, X Zhang, D Fu - Geoscience Frontiers, 2022 - Elsevier
Over one hundred arthropod fossil species have been described from the famous
Chengjiang Lagerstätte (South China, Cambrian Stage 3, ca. 518 Ma) including a diverse …

Innovatiocaris, a complete radiodont from the early Cambrian Chengjiang Lagerstätte and its implications for the phylogeny of Radiodonta

H Zeng, F Zhao, M Zhu - Journal of the Geological Society, 2023 - lyellcollection.org
The Paleozoic radiodonts are important for understanding the evolution and ecology of early
euarthropods. However, complete radiodont fossils are very rare, despite their central roles …