parazoa: multicellular organisms having less-specialized cells than in the Metazoa; comprises the single phylum Porifera
subkingdom: (biology) a taxonomic group comprising a major division of a kingdom
fourth lateran council: the Lateran Council in 1215 was the most important council of the Middle Ages; issued a creed against Albigensianism, published reformatory decrees, promulgated the doctrine of transubstantiation, and clarified church doctrine on the Trinity and Incarnation