The phrase Dead Clade Walking refers to the fact that some clades (groups) of organisms which survived mass extinctions, either become extinct a few million years after the mass extinction or fail to recover in numbers and diversity.
Read more about Dead Clade Walking: Origin of Phrase, Evidence
Famous quotes containing the words dead and/or walking:
“To the artist is sometimes granted a sudden, transient insight which serves in this matter for experience. A flash, and where previously the brain held a dead fact, the soul grasps a living truth! At moments we are all artists.”
—Arnold Bennett (1867–1931)
“And let a scholar all earth’s volumes carry,
He will be but a walking dictionary:
A mere articulate clock.”
—George Chapman (1559–1634)