411 REFERENCE · Wiktionary
K-T extinction event
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Alternative forms
en K/T extinction event
Noun
en noun K-T extinction event
Cretaceous–Paleogene extinction event; the mass extinction marking the end of the Cretaceous period.
Hypernyms
en extinction event
See also
en K-T boundary
Further reading
K-T extinction event
en Geology Paleontology