Inglis, William G. (1954). "On some nematodes from Indian vertebrates. I. Birds". Annals and Magazine of Natural History. 12. 7 (83): 821–826. doi:10.1080/00222935408651795.
Faltynkova, Anna; Gibson, David I.; Kostadinova, Aneta (2008). "A revision of Patagifer Dietz, 1909 (Digenea: Echinostomatidae) and a key to its species". Systematic Parasitology. 70 (3): 159–183. doi:10.1007/s11230-008-9136-8. PMID18535788. S2CID20578624.
Odening, Klaus (1962). "Trematoden aus indischen Vögeln des Berliner Tierparks". Zeitschrift für Parasitenkunde (in German). 21 (5): 381–425. doi:10.1007/BF00260995. S2CID9506473.
Brouwer, Koen; Schifter, Herbert; Jones, Marvin L. (1994). "Longevity and breeding records of ibises and spoonbills in captivity". International Zoo Yearbook. 33: 94–102. doi:10.1111/j.1748-1090.1994.tb03561.x.
Faltynkova, Anna; Gibson, David I.; Kostadinova, Aneta (2008). "A revision of Patagifer Dietz, 1909 (Digenea: Echinostomatidae) and a key to its species". Systematic Parasitology. 70 (3): 159–183. doi:10.1007/s11230-008-9136-8. PMID18535788. S2CID20578624.
Faltynkova, Anna; Gibson, David I.; Kostadinova, Aneta (2008). "A revision of Patagifer Dietz, 1909 (Digenea: Echinostomatidae) and a key to its species". Systematic Parasitology. 70 (3): 159–183. doi:10.1007/s11230-008-9136-8. PMID18535788. S2CID20578624.
Odening, Klaus (1962). "Trematoden aus indischen Vögeln des Berliner Tierparks". Zeitschrift für Parasitenkunde (in German). 21 (5): 381–425. doi:10.1007/BF00260995. S2CID9506473.