Definition of "holophyletic"

The bees have long appeared to constitute a holophyletic unit.

2000, Charles Duncan Michener, The Bees of the World - Volume 1, page 55

Cladistics aims to identify holophyletic groups (clades) comprising all the descendants of a common ancestor.

2008, Brian McGowran, Kenneth George Denbigh, Biostratigraphy: Microfossils and Geological Time, page 119

McCafferty and Edmunds (1979) divided all mayflies into Pannota and Schistonota, regarding Pannota to be holophyletic, and Schistonota to be paraphyletic.

2013, Nikita Kluge, The Phylogenetic System of Ephemeroptera, page 1