giant cicadas
... that fossils of extinct giant cicadas were once misidentified as the oldest known butterflies?
... that fossils of extinct <b id="mwDkU"><a href="./Palaeontinidae" id="mwDkY" rel="mw:WikiLink" title="Palaeontinidae">giant cicadas</a></b> <i id="mwDkc">(pictured)</i> were once misidentified as the oldest known butterflies?