Early members of ‘living fossil’ lineage imply later origin of modern ray-finned fishes

@article{Giles2017EarlyMO,
  title={Early members of ‘living fossil’ lineage imply later origin of modern ray-finned fishes},
  author={Sam Giles and Guang-Hui Xu and Thomas J Near and Matt Friedman},
  journal={Nature},
  year={2017},
  volume={549},
  pages={265-268}
}
Modern ray-finned fishes (Actinopterygii) comprise half of extant vertebrate species and are widely thought to have originated before or near the end of the Middle Devonian epoch (around 385 million years ago). Polypterids (bichirs and ropefish) represent the earliest-diverging lineage of living actinopterygians, with almost all Palaeozoic taxa interpreted as more closely related to other extant actinopterygians than to polypterids. By contrast, the earliest material assigned to the polypterid… CONTINUE READING
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  • Nature 549,
  • 2017

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