Checklist of helminth parasites of threatened vertebrate species from Brazil Muniz-Pereira, Luís C. Vieira, Fabiano M. Luque, José L. Zootaxa 2009 2123 1 45 [151,307,949,975] Trematoda Paramphistomidae Nematophila GBIF Animalia Plagiorchiida 19 20 Platyhelminthes genus