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the claim

A paraphyletic group includes a common ancestor and some but not all of its descendants

the verdict
SUPPORTED
the evidence backs this
Recorded sources
9 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that a paraphyletic group includes a common ancestor and some but not all of its descendants?

Yes. Multiple reference works and peer-reviewed studies explicitly define a paraphyletic group as one that includes a common ancestor and some, but not all, of its descendants.

Verdict: SUPPORTED · 9 sources for, 0 against · Last checked

How claims like this are judged

Judged against reference works: claims of this kind are settled by reference works, not journal abstracts.

Evidence for · 9
Wikipedia: Paraphyly
Reference article covering this claim directly
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Wikipedia: Paraphyly. (n.d.). Wikipedia. https://en.wikipedia.org/wiki/Paraphyly

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More for · 8
Brooks/Cole: Acp Bi 103-104 Vmi
2013
States that a paraphyletic group consists of a common ancestor and some, but not all, of its descendants.
Get citation
Brooks/Cole: Acp Bi 103-104 Vmi. (2013). Brooks/Cole. https://archive.org/details/isbn_9781285896502

McGraw-Hill Learning Solutions: Evolution, diversity and ecology, units 4, 5, and 8 : selected materials from Biology, ninth ed.
2011
Defines a paraphyletic group as consisting of the most recent common ancestor and some of its descendants.
Get citation
A, M. K. (2011). McGraw-Hill Learning Solutions: Evolution, diversity and ecology, units 4, 5, and 8 : selected materials from Biology, ninth ed.. McGraw-Hill Learning Solutions. https://archive.org/details/evolutiondiversi0000maso

McGraw-Hill: Animal diversity
2003
Confirms paraphyly refers to a group containing the most recent common ancestor and some, but not all, descendants.
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P, H. C. (2003). McGraw-Hill: Animal diversity. McGraw-Hill. https://archive.org/details/animaldiversity0003hick

2 recorded entries grouped as this source

Additional records of the same source are shown below. They are not counted as additional sources.

McGraw-Hill: Animal diversity
2017
Defines a paraphyletic group using the most recent common ancestor of all members and some but not all descendants.
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author, H. C. P. J. (2017). McGraw-Hill: Animal diversity. McGraw-Hill. https://archive.org/details/animaldiversity0000hick_n3i0

McGraw-Hill Higher Education: Animal diversity
2009
Defines a paraphyletic group using the most recent common ancestor of all members and some but not all descendants.
Get citation
McGraw-Hill Higher Education: Animal diversity. (2009). McGraw-Hill Higher Education. https://archive.org/details/animaldiversity0000unse_e0s4

McGraw-Hill Education: Animal diversity
2015
Defines a paraphyletic group using the most recent common ancestor of all members and some but not all descendants.
Get citation
Jr, H. C. P. (2015). McGraw-Hill Education: Animal diversity. McGraw-Hill Education. https://archive.org/details/animaldiversity0000hick

Internet Archive: Biological Science : Volume 2: UBC Edition
2014
Contrasts monophyly with a group that consists of a common ancestor and some but not all descendants.
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Internet Archive: Biological Science : Volume 2: UBC Edition. (2014). Internet Archive. https://archive.org/details/isbn_9781256128441

Open Veterinary Journal: Molecular phylogeny of some Carangid species from the Egyptian Red Sea using cytochrome c oxidase subunit I (COI) and small (12S rRNA) mitochondrial rRNA genes
2025
States that paraphyletic refers to a taxonomic grouping that includes a common ancestor and some, but not all, of its descendants.
Get citation
Allam, M., Eisa, S. G. A. A., Almaaty, A. H. A., & Hassan, M. K. (2025). Open Veterinary Journal: Molecular phylogeny of some Carangid species from the Egyptian Red Sea using cytochrome c oxidase subunit I (COI) and small (12S rRNA) mitochondrial rRNA genes. Open Veterinary Journal. https://doi.org/10.5455/OVJ.2025.v15.i8.46

2 recorded entries grouped as this source

Additional records of the same source are shown below. They are not counted as additional sources.

OpenAIRE: <b>Molecular phylogeny of some Carangid species from the Egyptian Red Sea using cytochrome c oxidase subunit I (<i>COI</i>) and small (<i>12S rRNA</i>) mitochondrial rRNA genes</b>
2025
States that a paraphyletic group includes a common ancestor and some, but not all, of its descendants.
Get citation
OpenAIRE: <b>Molecular phylogeny of some Carangid species from the Egyptian Red Sea using cytochrome c oxidase subunit I (<i>COI</i>) and small (<i>12S rRNA</i>) mitochondrial rRNA genes</b>. (2025). OpenAIRE. https://doi.org/10.5455/ovj.2025.v15.i8.46

OpenAIRE: Molecular phylogeny of some Carangid species from the Egyptian Red Sea using cytochrome c oxidase subunit I (COI) and small (12S rRNA) mitochondrial rRNA genes.
2025
States that a paraphyletic group includes a common ancestor and some, but not all, of its descendants.
Get citation
OpenAIRE: Molecular phylogeny of some Carangid species from the Egyptian Red Sea using cytochrome c oxidase subunit I (COI) and small (12S rRNA) mitochondrial rRNA genes.. (2025). OpenAIRE. https://explore.openaire.eu/

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first checked05 Aug 2026
judged → SUPPORTED · 7505 Aug 2026
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