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From The Collaborative International Dictionary of English v.0.48:
phylogenesis \phy`lo*gen"e*sis\ (f[imac]`l[-o]*j[e^]n;[-e]*s[i^]s), phylogeny \phy*log"e*ny\ (f[imac]*l[o^]j"[-e]*n[y^]), n. [Gr. fy^lon race, tribe + E. genesis, or root of Gr. gi`gnesqai to be born.] The history of genealogical development; the sequence of events involved in the evolutionary development of a species or taxonomic group of organisms; the historic exolution of the phylon or tribe, in distinction from ontogeny, or the development of the individual organism, and from biogenesis, or life development generally. Syn: evolution. [1913 Webster]