A prehistoric species only known from fossils was described as Perdix palaeoperdix.

From the time of the last ice age, an array of prehistoric species is known, some of them very large.

A number of prehistoric species have been described, mostly from the Northern Hemisphere.

Later writers favored Antarctica, especially as a refuge for prehistoric species.

The fossil record of crows is rather dense in Europe, but the relationships among most prehistoric species are not clear.

One prehistoric species has been described from fossil remains:

He explains that it is a super-aggressive prehistoric species, long believed to be extinct.

Metrioxena (Metrioxenini) - prehistoric species may have lived 50 million years ago.

Most of the creatures encountered here are of prehistoric species thought to be long extinct.

In addition, fossil remains of some hitherto undescribed prehistoric species have been found.