Galeaspid anatomy and the origin of vertebrate paired appendages

Z Gai, Q Li, HG Ferrón, JN Keating, J Wang… - Nature, 2022 - nature.com
Paired fins are a major innovation, that evolved in the jawed vertebrate lineage after
divergence from living jawless vertebrates. Extinct jawless armoured stem gnathostomes …

The oldest gnathostome teeth

PS Andreev, IJ Sansom, Q Li, W Zhao, J Wang… - Nature, 2022 - nature.com
Mandibular teeth and dentitions are features of jawed vertebrates that were first acquired by
the Palaeozoic ancestors,–of living chondrichthyans and osteichthyans. The fossil record …

Early Silurian chondrichthyans from the Tarim Basin (Xinjiang, China)

PS Andreev, W Zhao, NZ Wang, MM Smith, Q Li… - PLoS …, 2020 - journals.plos.org
The Sinacanthida ordo nov. and Mongolepidida are spine-and scale-based taxa whose
remains encompass some of the earliest reported fossils of chondrichthyan fish …

The oldest eugaleaspiform fishes from the Silurian red beds in Jiangxi, South China and their stratigraphic significance

X Shan, Z Gai, X Lin, Y Chen, M Zhu, W Zhao - Journal of Asian Earth …, 2022 - Elsevier
Two new species of Eugaleaspiformes, Qingshuiaspis junqingi gen. et sp. nov. and
Anjiaspis ericius sp. nov., were described from the lower Telychian Qingshui Formation in …

A new Silurian fish close to the common ancestor of modern gnathostomes

Q Li, Y Zhu, J Lu, Y Chen, J Wang, L Peng, G Wei… - Current Biology, 2021 - cell.com
Summary The Silurian Period occupies a pivotal stage in the unfolding of key evolutionary
events, including the rise of jawed vertebrates. 1–4 However, the understanding of this early …

The first galeaspid fish (stem-gnathostomata) from the Silurian Xiushan formation of Hunan Province, China

Y Zhang, X Li, X Shan, X Lin, K Tan, Q Li, W Zhao… - Historical …, 2023 - Taylor & Francis
ABSTRACT A new species of Dayongaspidae, Dayongaspis colubra sp. nov., is described
from the Telychian (Llandovery, Silurian) Xiushan Formation at Maoyanhe Town …

Semantic segmentation of vertebrate microfossils from computed tomography data using a deep learning approach

Y Hou, M Canul-Ku, X Cui… - Journal of …, 2021 - jm.copernicus.org
Vertebrate microfossils have broad applications in evolutionary biology and stratigraphy
research areas such as the evolution of hard tissues and stratigraphic correlation …

The oldest eugaleaspiform (Galeaspida) from the Silurian Fentou Formation (Telychian, Llandovery) of Wuhan, South China

YL Liu, LB Huang, RW Zong… - Journal of Systematic …, 2021 - Taylor & Francis
A new genus of Eugaleaspidiformes (Galeaspida, Agnatha), Jiangxialepis gen. nov., is
described from the Llandovery (Silurian) Fentou Formation from Wuhan, Hubei, South …

A New Species of Jiangxialepis (Galeaspida) from the Lower Telychian (Silurian) of Jiangxi and its Biostratigraphic Significance

X Shan, W Zhao, Z Gai - Acta Geologica Sinica‐English Edition, 2023 - Wiley Online Library
A new species of Shuyuidae (Eugaleaspiformes, Galeaspida), Jiangxialepis jiujiangensis
sp. nov., is described from the lower Telychian (Llandovery, Silurian) Qingshui Formation in …

[PDF][PDF] The correlations of the lower red beds of early Telychian (Llandovery, Silurian) in China from the palaeoichthyological evidence

XR Shan, WJ Zhao, XH Lin, Y Chen, Q Li… - Journal of …, 2022 - researchgate.net
Combined with two new fish-bearing beds from the Qingshui Formation in Wuning, Jiangxi
and the Tangchiawu Formation in Ningguo, Anhui, processes on palaeoichthyological …