Cast of a fallen <a href="https://en.wikipedia.org/wiki/lycopsid" class="extiw" title="w:lycopsid">lycopsid</a> and branched <a href="https://en.wikipedia.org/wiki/stigmaria" class="extiw" title="w:stigmaria"><i>Stigmaria</i></a> in the Joggins Formation (<a href="https://en.wikipedia.org/wiki/Pennsylvanian" class="extiw" title="w:Pennsylvanian">Pennsylvanian</a>), Cumberland Basin, Nova Scotia.
<a href="//commons.wikimedia.org/wiki/User:Rygel,_M.C." title="User:Rygel, M.C.">Rygel, M.C.</a>
CC BY 3.0
<span class="int-own-work" lang="en">Own work</span>