Proceratium petrosum
... that Proceratium petrosum is one of two ant species in the genus Proceratium described from fossil males?
... that <i id="mwAXI"><b id="mwAXM"><a href="./Proceratium_petrosum" id="mwAXQ" rel="mw:WikiLink" title="Proceratium petrosum">Proceratium petrosum</a></b></i> is one of two ant species in the genus <i id="mwAXU">Proceratium</i> described from fossil males?