Santanachelys gaffneyi
...that Santanachelys gaffneyi is the earliest known sea turtle?
...that <i id="mwDS0"><b id="mwDS4"><a href="./Santanachelys" id="mwDS8" rel="mw:WikiLink" title="Santanachelys">Santanachelys gaffneyi</a></b></i> is the earliest known <a href="./Sea_turtle" id="mwDTA" rel="mw:WikiLink" title="Sea turtle">sea turtle</a>?