Collado & Schmelz 2000. Pedonais crassifaucis n.gen., n.sp. (Naididae) and Bothrioneurum righii n.sp. (Tubificidae), two new tropical soil-dwelling species of "aquatic" oligochaetes (Clitellata, Annelida) from Central Amazonia. Amazoniana, 16(1-2), December 2000: 223-235