BioStor
 | The helminths parasitic in the Amphibia and Reptilia of Houston, Texas, and vicinity Paul D Harwood (1932) Proceedings of The United States National Museum 81: 1-71 |
 | Trematodes from fishes mainly from the Woods Hole region, Massachusetts Edwin Linton (1940) Proceedings of The United States National Museum 88: 1-172 |