Map showing the known distribution of the species of <i>Sinobirma</i> in Asia.

<p>Symbols may represent more than one locality in close proximity; type localities are indicated by a black dot within the symbol. The locality cited in Vinciguerra & Racheli <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0043920#pone.0043920-Vinciguerra1" target="_blank">[6]</a> for <i>S. malaisei</i> is represented by a white symbol.