Systema naturæ - nature Universum - universe see [unranked] Mundus Plinius naturalia - natural bodies Regnum Lapideum - mineral kingdom Class Fossilia nom. inval. - Lapides aggregati Order Petrificata - fossils Genus Phytolithus nom. inval. - fossil plants Pisolithus nom. inval. see Phytolithus seminis nom. inval.