![Figure 1 from Confirmation of Romer's Gap as a low oxygen interval constraining the timing of initial arthropod and vertebrate terrestrialization | Semantic Scholar Figure 1 from Confirmation of Romer's Gap as a low oxygen interval constraining the timing of initial arthropod and vertebrate terrestrialization | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/b0be813185f69bfccc4387a1b1d9ff5c4ee332c1/3-Figure1-1.png)
Figure 1 from Confirmation of Romer's Gap as a low oxygen interval constraining the timing of initial arthropod and vertebrate terrestrialization | Semantic Scholar
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Confirmation of Romer's Gap as a low oxygen interval constraining the timing of initial arthropod and vertebrate terrestrialization | PNAS
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Should Scientists Reconsider the Romer's Gap? Paleontologist Thinks So, After 3D Scanning Reveals Ancient Tetrapod Fossil Inside a Rock - 3DPrint.com | The Voice of 3D Printing / Additive Manufacturing
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Phylogeny of basal hexapod clades. Hexapoda gap in dark grey, Romer's... | Download Scientific Diagram
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