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The oldest articulated osteichthyan reveals mosaic gnathostome characters
The discovery of an exceptionally preserved primitive fish from the Ludlow of Yunnan, China, that represents the oldest near-complete gnathostome (jawed vertebrate) offers insights into the origin and early divergence of osteichthyans, and indicates that the minimum date for the actinopterygian–sarcoperygian split was no later than 419 million years ago. Expand
A primitive fish provides key characters bearing on deep osteichthyan phylogeny
This 405-million-year-old fish from the Lower Devonian of Yunnan (China) demonstrates that cosmine in many fossil sarcopterygians arose step by step through the acquisition of a pore–canal network followed by the subsequently developed ability to resorb previous generations of odontodes and enamel. Expand
The earliest known stem-tetrapod from the Lower Devonian of China.
The enlargement of the cerebral hemispheres and the possible presence of the pars tuberalis in this stem-tetrapod indicate that some important brain modifications related to terrestrial life had occurred at the beginning of the tetrapod evolution, much earlier than previously thought. Expand
Palaeontology: First Devonian tetrapod from Asia
The discovery of the first Devonian tetrapod from Asia is reported, a finding that substantially extends the geographical range of these animals and raises new questions about their dispersal. Expand
Siluro-Devonian vertebrate biostratigraphy and biogeography of China
It is suggested that three dispersal routes of early vertebrates bridged the Chinese blocks with the adjacent continents or blocks during the mid-Paleozoic. Expand
A Silurian maxillate placoderm illuminates jaw evolution
A second Silurian maxillate placoderm is described that more securely bridges the jawless toothlike plates of placoderms to the development of the jawed condition that ultimately led to the three-boned jaw in ancestors of modern vertebrates. Expand
A review of Silurian fishes from north-western Hunan, China and related biostratigraphy
The Silurian fishes from north-western Hunan, China are characterised by the earliest known galeaspids  Dayongaspis Pan and Zeng, 1985 and Konoceraspis Pan, 1992, and the earliest known antiarchExpand
Earliest known coelacanth skull extends the range of anatomically modern coelacanths to the Early Devonian.
The earliest known coelacanth skull (Euporosteus yunnanensis sp. nov.) from the Early Devonian (late Pragian) of Yunnan, China is reported, lending support to the possibility that Eoactinistia is also an anatomically modern coelacanths, and provides a more refined reference point for studying the rapid early diversification and subsequent evolutionary conservatism of the coELacanths. Expand
Silurian atmospheric O2 changes and the early radiation of gnathostomes
Abstract The number of known Silurian gnathostome fossils has increased significantly during the last two decades, and greatly improved our understanding of the early diversification of gnathostomesExpand
Geochemical Stratigraphy and Microvertebrate Assemblage Sequences across the Silurian/Devonian Transition in South China
: Carbon isotope (δ13Corg) analyses of non-marine clastic rocks and neritic carbonates and black shales spanning the Silurian/Devonian transition are compared from two richly fossiliferousExpand