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n. pl. phy·log·e·nies
1. The evolutionary development and history of a species or trait of a species or of a higher taxonomic grouping of organisms: the phylogeny of Calvin cycle enzymes. Also called phylogenesis.
2. A model or diagram delineating such an evolutionary history: a molecular phylogeny of the annelids.
3. A similar model or diagram delineating the development of a cultural feature.

[Greek phūlon, race, class; see phylum + -geny.]

phy′lo·gen′ic (-jĕn′ĭk) adj.


(faɪˈlɒdʒɪnɪ) or


n, pl -nies or -geneses (-ˈdʒɛnɪˌsiːz)
(Biology) biology the sequence of events involved in the evolution of a species, genus, etc. Compare ontogeny
[C19: from phylo- + -geny]
phylogenic, phylogenetic adj


(faɪˈlɒdʒ ə ni)

1. the development or evolution of a particular group of organisms.
2. the evolutionary history of a group of organisms, esp. as depicted in a family tree.
Compare ontogeny.
phy•log′e•nist, n.


the history of the development of a plant, animal, or racial type. — phylogenist, n. — phylogenetic, adj.
See also: Evolution
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.phylogeny - (biology) the sequence of events involved in the evolutionary development of a species or taxonomic group of organismsphylogeny - (biology) the sequence of events involved in the evolutionary development of a species or taxonomic group of organisms
Scopes trial - a highly publicized trial in 1925 when John Thomas Scopes violated a Tennessee state law by teaching evolution in high school; Scopes was prosecuted by William Jennings Bryan and defended by Clarence Darrow; Scopes was convicted but the verdict was later reversed
biological science, biology - the science that studies living organisms
anamorphism, anamorphosis - the evolution of one type of organism from another by a long series of gradual changes
anthropogenesis, anthropogeny - the evolution or genesis of the human race
emergent evolution - the appearance of entirely new properties at certain critical stages in the course of evolution
macroevolution - evolution on a large scale extending over geologic era and resulting in the formation of new taxonomic groups
microevolution - evolution resulting from small specific genetic changes that can lead to a new subspecies
biological process, organic process - a process occurring in living organisms
speciation - the evolution of a biological species
References in periodicals archive ?
elegans representing Nematoda which is phylogenically the next higher phyrum to the OV representing Trematoda (Merida et al, 2008; Tsunozaki et al., 2008), the present authors recently examined the occurrence of DGK-like immunoreactivities in the OV using antibodies against various DGK isoforms of rats, and have reported in immuno-light and electron microscopy the occurrence of cells immuno-stained with the DGKg antibody selectively in the Mehlis gland of the OV, although the exact identification of the DGK-like molecule remains to be elucidated.
Thus late nineteenth-century anthropologists discerned within culture a dialectical, if unequal, hierarchy favoring the complexity of the whole over the simplicity of the individual, the phylogeny of multiplicity over the ontogeny of singularity--effectively the phylogenically higher, civilized descendant over its ontologically lower, primitive ancestor.
This finding is in accordance with a previous study, which showed that eclectus parrots and Cacatuini are phylogenically distantly related.