Three kinds of chelicerae
<a href="//commons.wikimedia.org/wiki/User:Alexei_Kouprianov" title="User:Alexei Kouprianov">Alexei Kouprianov</a>
self-made modification of a PD image <a href="//commons.wikimedia.org/wiki/File:Queliceros.svg" title="File:Queliceros.svg">Queliceros.svg</a> by Xavier Vázquez