Alekseev 1965. [Himasthloides bonus gen.et. sp. nov. (Trematoda, Echinostomatidae) from the scaup and some remarks on the phylogenetic relations of the new species with Himasthla Dietz, 1909]. [Parasitic worms of domestic and wild animals. Papers on helminthology presented to prof. A. A.Sobolev on the 40th anniversary of his scientific and teaching activity.], Vladivostok, 1965: 11-15,. Chapter pagination: 11-15