different between concestor vs cenancestor

English

Coined by British biologist Richard Dawkins in 2004 in his book The Ancestor's Tale.

concestor (plural concestors)

(biology, uncommon) The last common ancestor, especially of several different species.
Synonym: cenancestor

Dawkins, Richard (2004) The Ancestor's Tale p.7 "In a backward chronology, the ancestors of any set of species must eventually meet at a particular geologic moment... the last common ancestor that they all share, what I shall call their "Concestor""

cen- +? ancestor

cenancestor (plural cenancestors)

The last ancestor common of two or more lineages, especially the last universal common ancestor of all life.
The wealth of phylogenetic information older than the cenancestor itself may be larger than realized.

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