LekhoriLekhoriA group of animals or other organisms derived from a common ancestor species.
All three clades containing Prunum and “Volvarina” species contain morphological features that do not collectively appear in any other living or fossil marginellid species (see above).
A higher level grouping of a genetic haplogroup.
Learned borrowing from Ancient Greek κλάδος (kládos, “shoot, branch”). Coined by British evolutionary biologist, philosopher, author Julian Huxley in 1957 in a paper titled The Three Types of Evolutio...
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