 ", 2006), but given the considerable distances in age and range involved, it is not completely certain that the bones belong to a single species.This remains the only fossil unequivocally assigned to this species, but numerous other bones have been found that may belong to it too.These fossils were once uncritically considered as being from "P. antarcticus", merely because other large penguins were not known at that time, but have not been subject to scientific review according to modern standards.