The sequence of events involved in the evolutionary development of a species or taxonomic group of organisms

Wikipedia Word definitions in Wikipedia
Phylogenesis (from Greek φῦλον phylon "tribe" + γένεσις genesis "origin") is the biological process by which a taxon (of any rank ) appears. The science that studies these processes is called phylogenetics . These terms may be confused with the term phylogenetics ...

Wiktionary Word definitions in Wiktionary
n. Evolutionary development of a species.

WordNet Word definitions in WordNet
n. (biology) the sequence of events involved in the evolutionary development of a species or taxonomic group of organisms [syn: evolution , phylogeny ] [also: phylogeneses (pl)]

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
1870, coined in German by Haeckel, from phylo- + -genesis "birth, origin, creation."

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Phylogenesis \Phy`lo*gen"e*sis\, Phylogeny \Phy*log"e*ny\, n. [Gr. ? tribe + E. genesis, or root of Gr. gi`gnesqai to be born.] The history of genealogical development; the race history of an animal or vegetable type; the historic exolution of the phylon ...