Protosialis casca
... that the extinct Protosialis casca is one of only two known alderflies from the West Indies?
... that the extinct <i id="mwFXI"><b id="mwFXM"><a href="./Protosialis_casca" id="mwFXQ" rel="mw:WikiLink" title="Protosialis casca">Protosialis casca</a></b></i> is one of only two known <a href="./Alderfly" id="mwFXU" rel="mw:WikiLink" title="Alderfly">alderflies</a> from the <a href="./West_Indies" id="mwFXY" rel="mw:WikiLink" title="West Indies">West Indies</a>?