In biological classification, a subdivision of phylum and forms a group of related orders. For example, all mammals belong to the class Mammalia and all birds to the class Aves. Among plants, all class names end in idae (such as Asteridae) and among fungi in mycetes; there are no equivalent conventions among animals. Related classes are grouped together in a phylum.
Green stands for the country's natural resources. White represents peace, justice, and unity. Blue recalls the sea and the capital Freetown's natural harbour. Effective date: 27 April 1961.