Linked from
The 9 pages that link to Middle Pleistocene, each with the reason it gives.
Homo heidelbergensisNarrower topic: Most fossils assigned to this species come from this interval.
Herto ManNarrower topic: The Herto fossils date to this interval.
Nanjing ManBroader topic: The estimated age of Nanjing Man places it within this interval.
Ceprano ManBroader topic: Proposed dates place Ceprano near the beginning of this interval.