Burgsvik beds
...that the Burgsvik beds, a geological formation exposed on Gotland, Sweden, contain the only fossil euglenid ever discovered?
...that the <b id="mwgA"><a class="mw-redirect" href="./Burgsvik_beds" id="mwgQ" rel="mw:WikiLink" title="Burgsvik beds">Burgsvik beds</a></b>, a geological <a class="mw-redirect" href="./Formation_(geology)" id="mwgg" rel="mw:WikiLink" title="Formation (geology)">formation</a> exposed on <a href="./Gotland" id="mwgw" rel="mw:WikiLink" title="Gotland">Gotland</a>, <a href="./Sweden" id="mwhA" rel="mw:WikiLink" title="Sweden">Sweden</a>, contain the only <a href="./Fossil" id="mwhQ" rel="mw:WikiLink" title="Fossil">fossil</a> <a href="./Euglenid" id="mwhg" rel="mw:WikiLink" title="Euglenid">euglenid</a> ever discovered?