View Original: | Metopolichas erici, Middle Ordovician, Obukhovo Formation, St. Petersburg region, Russia - Houston Museum of Natural Science - DSC01534.JPG (2797x2821) | |||
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Keywords: Metopolichas erici, Middle Ordovician, Obukhovo Formation, St. Petersburg region, Russia - Houston Museum of Natural Science - DSC01534.JPG Exhibit in the Houston Museum of Natural Science Houston Texas USA Photography was permitted in the museum without restriction Daderot 2012-10-22 14 15 47 Daderot cc0 cc0 Trilobites in the Houston Museum of Natural Science Metopolichas erici |