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:
“A man who is not with a woman is a dead man.”
—William A. Drake (1900–1965)
“I was walking along and I’m looking at the tall buildings. And I got to thinking about what Thoreau said: “They created a lot of grand palaces here, but they forgot to create the noblemen to put in them.””
—Robert Riskin (1897–1955)