What is paleoendemic?

Answer 1

Paleoendemic:

refers to a species once had a widespread distribution, but now is restricted to a particular area.

For example, the kiwi is a species that had relics that were widespread in the "Gondwana continent" (Gondwana and Laurasia were the 2 former continents in the world before they split up into continents and island we have today) the survivors are now natives on an island called New Zealand.

Answer 2

Paleoendemic refers to a species that has been restricted to a particular geographic area for a long period of time, often since prehistoric times. These species are considered ancient inhabitants of the region and can provide insights into the unique evolutionary history of that area.