Data from: Devonian tetrapod-like fish reveals substantial parallelism in stem tetrapod evolution

Min Zhu, Per E. Ahlberg, Wen-Jin Zhao & Lian-Tao Jia
The fossils assigned to the tetrapod stem group document the evolution of terrestrial vertebrates from lobe-finned fishes. During the past 18 years the phylogenetic structure of this stem group has remained remarkably stable, even when accommodating new discoveries such as the earliest known stem tetrapod Tungsenia and the elpistostegid (fish–tetrapod intermediate) Tiktaalik. Here we present a large lobe-finned fish from the Late Devonian period of China that disrupts this stability. It combines characteristics of rhizodont...
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