a Triassic marine reptile
... that skeletons of a Triassic marine reptile were discovered at an altitude of about 2,700 metres (8,900 ft) above sea level?
... that skeletons of <b id="mwBnI"><a href="./Prosantosaurus" id="mwBnM" rel="mw:WikiLink" title="Prosantosaurus">a Triassic marine reptile</a></b> were discovered at an altitude of about 2,700 metres (8,900<span id="mwBnQ" typeof="mw:Entity"> </span>ft) above sea level?