Paranthropus boisei - KNM-ER-406
Paranthropus boisei - KNM-ER-406
Paranthropus boisei - KNM-ER-406
Paranthropus boisei - KNM-ER-406
Paranthropus boisei - KNM-ER-406
Paranthropus boisei - KNM-ER-406
Paranthropus boisei - KNM-ER-406
Paranthropus boisei - KNM-ER-406
Paranthropus boisei - KNM-ER-406
Paranthropus boisei - KNM-ER-406
Paranthropus boisei - KNM-ER-406
Paranthropus boisei - KNM-ER-406