mushroom crinoid
... that siltstone deposits have allowed three-dimensional fossils of the extinct mushroom crinoid to be excavated from Indiana?
... that <a href="./Siltstone" id="mwDSk" rel="mw:WikiLink" title="Siltstone">siltstone</a> deposits have allowed three-dimensional <a href="./Fossil" id="mwDSo" rel="mw:WikiLink" title="Fossil">fossils</a> of the extinct <b id="mwDSs"><a href="./Agaricocrinus_americanus" id="mwDSw" rel="mw:WikiLink" title="Agaricocrinus americanus">mushroom crinoid</a></b> to be excavated from <a href="./Indiana" id="mwDS0" rel="mw:WikiLink" title="Indiana">Indiana</a>?