Input (grade 7): On Wikipedia, this approach is utilised, and for the sake of consistency, the genus Paranthropus is used for all articles which mention the species P. aethiopicus P. boisei and P. robustus.
Output (grade 5): On Wikipedia, the genus Paranthropus is used for all articles which mention the species P. aethiopicus, P. boisei and P. robustus.