1. Historical account of the two family group names in use for the single accepted family comprising the “fish blood flukes”;Bullard;Acta Parasitol,2009
2. Systema Helminthum, Volume 1, Parts 1 and 2, digenetic trematodes;Yamaguti,1958
3. Digenetic trematodes of Hawaiian fishes;Yamaguti,1970
4. The blood flukes (Digenea: Sanguinicolidae and Spirorchidae) of cold blooded vertebrates and some comparison with the schistosomes;Smith;Helm Abst Ser A,1972
5. The blood flukes (Digenea: Sanguinicolidae and Spirorchidae) of cold blooded vertebrates: Part 1. A review of the published literature since 1971, and bibliography;Smith;Helm Abst,1997