Definition of paraphyletic in English:

paraphyletic

Syllabification: par·a·phy·let·ic
Pronunciation: /ˌparəˌfīˈletik
 
/

adjective

Biology
  • (Of a group of organisms) descended from a common evolutionary ancestor or ancestral group, but not including all the descendant groups.
    More example sentences
    • In fact, it is possible that the group is paraphyletic; the last common ancestor of all polymerid trilobites may also have been ancestral to the agnostids as well.
    • These taxa together form a paraphyletic group at the base of the clade of biramous arthropods.
    • To represent this, we have used multiple lines drawn to paraphyletic groups in the cladogram above.

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