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Getting the measure of a monster

Scrutiny of fossils sometimes uncovers an unexpected phylogenetic relationship. New analyses of the enigmatic fossil Tullimonstrum from 300 million years ago reveal it to be a vertebrate. See Letters p.496 & p.500

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Figure 1: Vertebrate descent.


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Correspondence to Shigeru Kuratani or Tatsuya Hirasawa.

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Kuratani, S., Hirasawa, T. Getting the measure of a monster. Nature 532, 447–448 (2016).

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