| sandonella sandoni (lynsdale, 1960), an enigmatic and morphologically unique cestode parasitic in the osteoglossiform fish heterotis niloticus in africa. | sandonella sandoni (lynsdale, 1960) is the type and only species of the sandonellinae, a cestode subfamily of unclear phylogenetic position. it is redescribed here on the basis of a re-examination of its syntypes, voucher specimens from museum collections, and freshly collected material from the intestine of heterotis niloticus (osteoglossiformes: arapaimidae) from benin, nigeria, senegal, and the sudan. the species possesses several unique morphological characters, such as (1) a vitellarium for ... | 2008 | 18372642 |