Noun
One of the several primary divisions of either the animal, or vegetable kingdom, as, in zoology, the Vertebrata, Tunicata, Mollusca, Articulata, Molluscoidea, Echinodermata, Coelentera, and the Protozoa; in botany, the Phanerogamia, and the Cryptogamia.
Source: Webster's dictionaryCharlemagne decided to organize a regional subkingdom in order to keep the Aquitanians in check and to secure the southern border of the Carolingian Empire against Muslim incursions. Source: Internet
His Kingdom Bacteria includes Archaebacteria as a phylum of the subkingdom Unibacteria which comprises only one other phylum: the Posibacteria. Source: Internet
In addition, Æthelwulf's experience of kingship, in the subkingdom formed from Egbert's southeastern conquests, would have been valuable to him when he took the throne. Source: Internet
The attempts made by Louis the Pious to assign Charles a subkingdom, first Alemannia and then the country between the Meuse and the Pyrenees (in 832, after the rising of Pepin I of Aquitaine ) were unsuccessful. Source: Internet
His classification of 2004 treats the archaeobacteria as part of a subkingdom of the Kingdom Bacteria, i.e. he rejects the three-domain system entirely. Source: Internet
In some classification systems the additional rank branch (Latin: ramus) can be inserted between subkingdom and infrakingdom (e.g. Protostomia and Deuterostomia in the classification of Cavalier-Smith citation ). Source: Internet