Murphydoris
... that the nudibranch Murphydoris has a penis armed with spines?
... that the <a href="./Nudibranch" id="mwB-4" rel="mw:WikiLink" title="Nudibranch">nudibranch</a> <i id="mwB-8"><b id="mwB_A"><a href="./Murphydoris" id="mwB_E" rel="mw:WikiLink" title="Murphydoris">Murphydoris</a></b></i> has a penis armed with spines?