MONOPHYLETIC

Etymology

Adjective

monophyletic (not comparable)

(biology) Of, pertaining to, or affecting a single phylum (or other taxon) of organisms.

(biology) Deriving from a single clade (monophylum).

(biology) Descending from a single ancestral species.

Descending from a single ancestral species and containing all descendants of that single ancestor, holophyletic.

Descending from a single ancestral species but not containing all descendants of that ancestor, paraphyletic.

Source: Wiktionary

Mon`o*phy*let"ic, a. Etym: [Gr. (Biol.)

Definition: Of or pertaining to a single family or stock, or to development from a single common parent form; -- opposed to polyphyletic; as, monophyletic origin.

Source: Webster’s Unabridged Dictionary 1913 Edition