Natura - nature actualia - actual entities Mundus Plinius - physical world naturalia - natural bodies "Lapideum Regnum" nom. inval. - mineral kingdom Class "Fossilia" nom. inval. - Lapides aggregati Order †"Petrificata" - fossils Genus †"Ichthyolithus" nom. inval. - fossil fishes †"Ichthyolithus ovorum" nom. inval.