Map of Sunda and Sahul and the Wallace Line, the Lydekker Line and the Weber Linie
<a href="https://de.wikipedia.org/wiki/User:Chumwa" class="extiw" title="de:User:Chumwa">Maximilian Dörrbecker</a> (<a href="https://de.wikipedia.org/wiki/User:Chumwa" class="extiw" title="de:User:Chumwa">Chumwa</a>)
CC BY-SA 3.0
Self made, using <a href="//commons.wikimedia.org/wiki/File:Sunda-sahul-wallacea.png" title="File:Sunda-sahul-wallacea.png">this map</a> for the background