From mono- + phylum. <span class="searchmatch">monophylum</span> (plural monophyla) (taxonomy) A hierarchical group of organisms including an ancestor species and all its descendants...
monophyletic group (plural monophyletic groups) (taxonomy) A <span class="searchmatch">monophylum</span>...
(or other taxon) of organisms. (biology) Deriving from a single clade (<span class="searchmatch">monophylum</span>). (biology) Descending from a single ancestral species. Descending from...