Andiva
... that Andiva , an enigmatic animal that lived 555 millions of years ago, perhaps had a convex carapace?
... that <i id="mwD5g"><b id="mwD5k"><a href="./Andiva" id="mwD5o" rel="mw:WikiLink" title="Andiva">Andiva</a></b></i> <i id="mwD5s">(fossil pictured)</i>, an enigmatic animal that lived 555 millions of years ago, perhaps had a convex <a href="./Carapace" id="mwD5w" rel="mw:WikiLink" title="Carapace">carapace</a>?