Castro D del C, Cicchino AC. A New Species of Aquanirmus Clayand Meinertzhagen, 1939 (Phthiraptera, Philopteridae) Parasitic on Rollandia Rolland Chilensis (Lesson, 1828) (aves, podicipitidae), with remarks on the externalchorionic morphologyof the eggs. Pap. Avulsos Zool. 2000;41(1-28 (1999-2001):213-221. doi:10.11606/0031-1049.2000.41.p213-221