Description: "
Tegument covered by spines. Oral
sucker not armed or armed by cyrcumoral spines.
Pharynx presented.
Genital synus presented. Ventral and genital
suckers usually not combined.
Cirrus and
bursa absent. Two
testes located in posterior part of the body.
Vitellaria in posterior part of the body."
^Leiper, R. T. (1909). London School of Tropical Medicine. "Report of the helminthologist for the six months ending 30th April, 1908". In, Report of the Advisory Committee for the Tropical Diseases Research Fund for the Year 1908 (pp. 35–39). London: Tropical Diseases Research Fund, Advisory Committee.