Bronnen, noten en/of referenties
- 1 2 3 4 5 6 7 8 Bouchet, P., Rocroi, J.-P., Frýda, J., Hausdorf, B., Ponder, W., Valdés, Á. & Warén, A. (2005) Classification and nomenclator of gastropod families; Malacologia: International Journal of Malacology; issue =1-2; ConchBooks; Hackenheim, Germany; issn = 0076-2997; pages =1–397; isbn = 3925919724; volume = 47
- 1 2 3 4 5 6 7 8 9 10 Taylor D. W. (2003). "Introduction to Physidae (Gastropoda: Hygrophila). Biology, classification, morphology". Revista de Biología Tropical 51(Suppl. 1): 1-299. (1-195) 197-263, 265-287).
- ↑ WORMS vermeldt slechts 4 geslachten
- ↑ Starobogatov, Y. I. & L. L. Budnikova. (1976) O faune presnovodnykh briukhonogikh molliuskov krainego severo-vostoka SSSR. In V. Ya. Levanidov (ed.), Presnovodnaya fauna Chukotskogo Poluostrova. Trudy Biol.-Pochvenn. Inst. Dal’nevostochn. Nauchn. Tsentr Akad. Nauk SSSR, n. s., 36:72-88.