identification resourceCribb, T. H. (2002). Superfamily Bivesiculoidea Yamaguti, 1934. Gibson, D. I., Jones, A. & Bray, R. A. (Eds). <em>Keys to the Trematoda. Volume 1.</em> CAB Publishing and The Natural History Museum: Wallingford: 25-29. page(s): 25 [details]