archedictyon
... that archedictyon is a hypothetical scheme of wing venation proposed for the common ancestor of all winged insects?
... that <b id="mwGUY"><a href="./Archedictyon" id="mwGUc" rel="mw:WikiLink" title="Archedictyon">archedictyon</a></b> is a <a href="./Hypothesis" id="mwGUg" rel="mw:WikiLink" title="Hypothesis">hypothetical</a> scheme of <a href="./Wing" id="mwGUk" rel="mw:WikiLink" title="Wing">wing</a> <a href="./Vein" id="mwGUo" rel="mw:WikiLink" title="Vein">venation</a> proposed for the <a class="mw-redirect" href="./Common_ancestor" id="mwGUs" rel="mw:WikiLink" title="Common ancestor">common ancestor</a> of all <a href="./Insect_flight" id="mwGUw" rel="mw:WikiLink" title="Insect flight">winged insects</a>?