Paleopsephurus
... that the extinct paddlefish Paleopsephurus was first described from the Cretaceous Hell Creek Formation?
... that the <a class="mw-redirect" href="./Extinct" id="mwBi8" rel="mw:WikiLink" title="Extinct">extinct</a> <a href="./Paddlefish" id="mwBjA" rel="mw:WikiLink" title="Paddlefish">paddlefish</a> <i id="mwBjE"><b id="mwBjI"><a href="./Paleopsephurus" id="mwBjM" rel="mw:WikiLink" title="Paleopsephurus">Paleopsephurus</a></b></i> was first described from the <a href="./Cretaceous" id="mwBjQ" rel="mw:WikiLink" title="Cretaceous">Cretaceous</a> <a href="./Hell_Creek_Formation" id="mwBjU" rel="mw:WikiLink" title="Hell Creek Formation">Hell Creek Formation</a>?