. . "not in ABCD" . . . "recommended" . "2009-07-06" . "Latest Era Or Highest Erathem" . "The full name of the latest possible geochronologic era or highest chronostratigraphic erathem attributable to the stratigraphic horizon from which the cataloged item was collected." . . "Examples: \"Cenozoic\", \"Mesozoic\"" . "2009-04-24" .