They exhibit Hominin presence in the Plio-Pleistocene age in Tanzania.

Jane E. Swallow has written:

'Plio-pleistocene palaeoceanography of the Equatorial Indian Ocean'

James Michael Harris has written:

'Evolution of the Plio-Pleistocene African Suidae' -- subject(s): Fossil Swine, Paleontology

Phorusracos became extinct in the Plio-Pleistocene. It is unknown why it became extinct. Some people said it was because of humans, others say it died due to competition from cats and dogs.

Steven D Emslie has written:

'Avian community, climate, and sea-level changes in the Plio-Pleistocene of the Florida peninsula' -- subject(s): Birds, Fossil, Fossil Birds, Paleontology