Template:Sey & Graber, 1991
- Sey, O. & Graber, M., 1991: Description of Ogmocotyle africanum sp. n. (Trematoda, Notocotylidae) from the hippopotamus and a review of the genus Ogmocotyle Skrjabin et Schulz, 1933. Acta Zoologica Hungarica, 373-4: 257-261.