Mixture of GDFL-licenced <a href="https://en.wikipedia.org/wiki/Image:Cyclomedusa_cropped.jpg" class="extiw" title="en:Image:Cyclomedusa cropped.jpg">en:Image:Cyclomedusa_cropped.jpg</a> and <a href="https://en.wikipedia.org/wiki/Image:Charnia_Spun.jpg" class="extiw" title="en:Image:Charnia Spun.jpg">en:Image:Charnia_Spun.jpg</a>
<a href="https://en.wikipedia.org/wiki/en:User:Vanished_user" class="extiw" title="w:en:User:Vanished user">w:en:Vanished user</a> (<a href="https://en.wikipedia.org/wiki/en:User_talk:Vanished_user" class="extiw" title="w:en:User talk:Vanished user">talk</a> | <a href="https://en.wikipedia.org/wiki/en:Special:Contributions/Vanished_user" class="extiw" title="w:en:Special:Contributions/Vanished user">contribs</a>)
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>