Claim: The Kayenta Formation in USA was from the Sinemurian to Pliensbachian Age and the Kitadani Formation in Japan was from Aptian to Albian Age are examples of  stratigraphic units from which human body fossils have been recovered.
Evidence: The Kitadani Formation was biostratigraphically dated to the late Barremian and early Aptian ages of the Early Cretaceous Epoch in 2002 based upon the presence of the freshwater bivalve Nippononaia ryosekiana.