Which of the Following Statements About the So-Called "Black Skull

Which of the following statements about the so-called "black skull" is FALSE?

A) The skull shows anatomical features similar to those of genus Paranthropus.
B) Some scientists assign the black skull its own species, Paranthropus aethiopicus.
C) The skull has a sagittal crest.
D) Some scientists categorize the skull as belonging to a very early hyperrobust Paranthropus boisei.
E) The skull shows evidence of cold-weather adaptations.