Epicaerus Epicaerus mexicanus Epicaerus benjamini Epicaerus texanus Epicaerus imbricatus Epicaerus lepidotus Epicaerus sulcatus List of the Cenozoic life of Utah List of the Cenozoic life of Wyoming Geonemini List of the Cenozoic life of Colorado List of the prehistoric life of Utah List of the prehistoric life of Colorado List of the prehistoric life of Wyoming