Image:Pikaia BW.jpg

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[edit] Summary

Description

Pikaia gracilens, the earliest known vertebrate ancestor, from the Middle Cambrian of British Columbia, digital
Source

own work
Date

December 8, 2007
Author

ArthurWeasley
Permission
(Reusing this image)

see below

[edit] Licensing

I, the copyright holder of this work, hereby publish it under the following licenses:
GNU head Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation license, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled "GNU Free Documentation license".

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Date/TimeDimensionsUserComment
current08:08, 8 December 2007800×508 (18 KB)ArthurWeasley ({{Information |Description= Pikaia gracilens, the earliest known vertebrate ancestor, from the Middle Cambrian of British Columbia, digital |Source= own work |Date= December 8, 2007 |Author= ArthurWeasley |Permission= |other_version)