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monophyletism

noun
mono·​phyle·​tism | \-ˈfil-\
variants: or monophylety \-​lətē \
plural monophyletisms or monophyleties

Definition of monophyletism 

: the quality or state of being monophyletic : shared descent from a single common stemform

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History and Etymology for monophyletism

monophyletism International Scientific Vocabulary monophyletic + -ism; monophylety from monophyletic + -y

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