Many sources give a verbal definition of 'paraphyletic' that does not require the missing groups to be monophyletic. However, when diagrams are presented representing paraphyletic groups, these invariably show the missing groups as monophyletic. See e.g.Wiley et al. 1991, p. 4 Wiley, E.O.; Siegel-Causey, D.; Brooks, D.R. & Funk, V.A. (1991), "Chapter 1 Introduction, terms and concepts", The Compleat Cladist: A Primer of Phylogenetic Procedures(PDF), The University of Kansas Museum of Natural History, ISBN978-0-89338-035-9, archived from the original(PDF) on 3 December 2010, retrieved 13 December 2010
Brinkman & Leipe 2001, p. 323 Brinkman, Fiona S.L. & Leipe, Detlef D. (2001), "Phylogenetic analysis"(PDF), in Baxevanis, Andreas D. & Ouellette, B.F. Francis (eds.), Bioinformatics: a practical guide to the analysis of genes and proteins (2nd ed.), pp. 323–358, archived from the original(PDF) on 20 October 2013, retrieved 19 October 2013
bnf.fr
gallica.bnf.fr
Cuénot 1940Cuénot, Lucien (1940), "Remarques sur un essai d'arbre généalogique du règne animal", Comptes Rendus de l'Académie des Sciences de Paris, 210: 23–27. Available free online at Gallica (No direct URL). This is the paper credited by Hennig 1979 for the first use of the term 'clade'.
Maas 2010–2011 Maas, Philipp (2010–2011), Jürgen, Hanneder; Maas, Philipp (eds.), "Computer Aided Stemmatics – The Case of Fifty-Two Text Versions of Carakasasaṃhitā Vimānasthāna 8.67-157", Wiener Zeitschrift für die Kunde Südasiens, 52–53: 63–120, doi:10.1553/wzks2009-2010s63
Brinkman & Leipe 2001, p. 323 Brinkman, Fiona S.L. & Leipe, Detlef D. (2001), "Phylogenetic analysis"(PDF), in Baxevanis, Andreas D. & Ouellette, B.F. Francis (eds.), Bioinformatics: a practical guide to the analysis of genes and proteins (2nd ed.), pp. 323–358, archived from the original(PDF) on 20 October 2013, retrieved 19 October 2013
Many sources give a verbal definition of 'paraphyletic' that does not require the missing groups to be monophyletic. However, when diagrams are presented representing paraphyletic groups, these invariably show the missing groups as monophyletic. See e.g.Wiley et al. 1991, p. 4 Wiley, E.O.; Siegel-Causey, D.; Brooks, D.R. & Funk, V.A. (1991), "Chapter 1 Introduction, terms and concepts", The Compleat Cladist: A Primer of Phylogenetic Procedures(PDF), The University of Kansas Museum of Natural History, ISBN978-0-89338-035-9, archived from the original(PDF) on 3 December 2010, retrieved 13 December 2010