As an adjective prehistoric
is of relating to the epoch before written record.
As a noun diatryma is
a big-beaked prehistoric bird in the genus gastornis , larger than the ostrich, believed to have become extinct 15- to 25-million years ago due to a vast climate change.
prehistoric
English
(Prehistory)
Adjective
(
en adjective)
Of relating to the epoch before written record.
Nonmodern.
Related terms
* prehistory
* prehistorically
diatryma
English
Noun
(
en noun)
A big-beaked prehistoric bird in the genus Gastornis , larger than the ostrich, believed to have become extinct 15- to 25-million years ago due to a vast climate change.
External links
* (Gastornis)
* (Gastornis)
* (Gastornis)
*