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Purplebook 025

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avancna
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Description

Comparison of the "ur-fish," the cephalochordate Pikaia gracilens, of the Burgess Shale fauna, with the hemichordate, Oesia disjuncta.
Image size
5100x7020px 1.2 MB
© 2014 - 2024 avancna
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Giant-Blue-Anteater's avatar
Giant-Blue-Anteater
This is an eye-opener: www.artsci.utoronto.ca/main/me…

The same authors who described the recent discoveries concerning Metaspriggina wrote the paper linked above, and their analysis suggests that Pikaia was truly... something different.