Niger Delta red colobus
…became known to science (in 1993) until 2007 or 2008, it was considered a subspecies of the western red colobus (Procolobus badius) and more recently Pennant's colobus (Procolobus pennantii), and its trinomial name was Procolobus badius epieni or Procolobus pennantii epieni. Colin Groves recognized the Niger Delta red…