| Some monogenetic trematodes from the Galapagos Islands and the neighbouring Pacific F G C Meserve (1938) Allan Hancock Pacific Expedition 2: 31-89 | |
| North American monogenetic Trematodes. iii. The family Capsalidae (Capsaloidea) (1939) Journal of The Washington Academy of Sciences 29: 63-92 | |
| Trematodes from fishes mainly from the Woods Hole region, Massachusetts Edwin Linton (1940) Proceedings of The United States National Museum 88: 1-172 |