Keywords: Encrusted Ordovician nautiloid InternalExternal.jpg en An encrusted Ordovician nautiloid internal mold showing contemporaneous dissolution of the original aragonite shell and calcitic cementation en wikipedia 2007-12-26 Photograph taken by Mark A Wilson Department of Geology The College of Wooster Wilson44691 Original upload log en wikipedia NautiloidInternalExternal jpg wikitable - 2007-12-26 21 57 701×448× 142260 bytes Wilson44691 <nowiki>Photograph taken by Mark A Wilson Department of Geology The College of Wooster http //www wooster edu/geology/MWilson html</nowiki> Uncategorized 2015 June 2 |