Trilobite evolutionary rates constrain the duration of the Cambrian explosion

JR Paterson, GD Edgecombe… - Proceedings of the …, 2019 - National Acad Sciences
Trilobites are often considered exemplary for understanding the Cambrian explosion of
animal life, due to their unsurpassed diversity and abundance. These biomineralized …

New evidence for five cephalic appendages in trilobites and implications for segmentation of the trilobite head

J Hou, MJ Hopkins - Palaeontology, 2024 - Wiley Online Library
Head segments play a critical role in revealing the relationships within major arthropod
groups but the accurate determination of their number and relationship is challenging …

Large trilobites in a stress-free Early Ordovician environment

F Saleh, M Vidal, L Laibl, P Sansjofre… - Geological …, 2021 - cambridge.org
Understanding variations in body size is essential for deciphering the response of an
organism to its surrounding environmental conditions and its ecological adaptations. In …

The post‐embryonic ontogeny of the early Cambrian trilobite Estaingia bilobata from South Australia: trunk development and phylogenetic implications

JD Holmes, JR Paterson… - Papers in …, 2021 - Wiley Online Library
Trilobites are one of the most diverse and abundant fossil groups from the early Palaeozoic,
and as such are useful for answering important questions about early animal evolution …

Taxonomy, biostratigraphy and paleobiogeography of Strenuaeva (Trilobita) from the Marianian (Cambrian Series 2) of Iberia

L Collantes, S Pereira, E Mayoral, E Liñán… - Geobios, 2024 - Elsevier
Problems surrounding the identification and systematics of taxa belonging to the trilobite
family Ellipsocephalidae have been discussed for several decades. The ellipsocephalid …

Post‐embryonic development of Fritzolenellus suggests the ancestral morphology of the early developmental stages in Trilobita

L Laibl, J Maletz, P Olschewski - Papers in Palaeontology, 2021 - Wiley Online Library
Trilobite development has been intensively explored during the past decades, but
information on ancestral character combinations in the early developmental stages of …

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 …

Early post-embryonic development in Ellipsostrenua (Trilobita, Cambrian, Sweden) and the developmental patterns in Ellipsocephaloidea

L Laibl, P Cederström, P Ahlberg - Journal of Paleontology, 2018 - cambridge.org
This study documents the early post-embryonic developmental stages (protaspides and
early meraspides) of the Cambrian trilobite Ellipsostrenua granulosa (Ahlberg, 1984) from …

Geometric morphometric assessment of Guanshan trilobites (Yunnan Province, China) reveals a limited diversity of palaeolenid taxa

W Zhao, J Liu, RDC Bicknell - Palaeontologia Electronica, 2020 - rune.une.edu.au
The Guanshan Biota is a typical Burgess Shale-type Cambrian-aged Lagerstätte with
diverse trilobites. As such, the taxonomy of trilobites from the Guanshan Biota, especially the …

Development and trunk segmentation of a redlichiid trilobite from Cambrian series 2 of China

Q Zhang, T Dai, X Zhang, S Peng - Lethaia, 2022 - idunn.no
The ontogenetic sequence of an early Cambrian redlichiid trilobite Bathynotus
kueichouensis is presented on the basis of numerous articulated specimens from Guizhou …