(systematics) The evolutionary history of groups of organisms, such as species or clades. / (systematics, informal) A phylogenetic diagram. / The historical development of a human social or racial group.

plural of phylogeny

(biology, social sciences, art, philosophy) The physical, cultural, moral, or intellectual development of each individual passes through stages similar to the developmental stages of that individual's species, society, or civilization. Not taken literally since the late 19th century.