A fossil leopard lower jawbone next to a skull fragment of a juvenile Paranthropus robustus. Note the two punctures in the skull, which match the spacing of the tips of the leopard's fangs ...

Before this discovery, three Paranthropus species were known: ・ P. aethiopicus (an early species found in East Africa) ・ P. boisei (the most robust species, with massive teeth and thick skulls) ...