Abstract
Descriptions are given of Enterogyrus foratus n. sp., collected from the stomach of Sarotherodon melanotheron (Osteichtyes, Cichlidae) in Senegal and the Ivory Coast, and E. coronatus n. sp. from the stomach of Tilapia guineensis (Osteichtyes, Cichlidae) in the Ivory Coast. The two new species differ from almost all other congeneric species mainly with regard to the novel shape of the haptor. This haptor comprises two segments: an elongated posterior peduncular segment, which deeply penetrates the stomach wall, and a bulbous anterior segment. The posterior segment bears two pairs of hamuli (dorsal and ventral), a transverse V-shaped ventral bar and ventral hooklets I and II. The anterior segment has hooklets III and IV (dorsal) and V to VII (ventral) arranged in an equatorial circle. These two species possess the spiral cirrus characteristic of the genus Enterogyrus, but differ with respect to each other and to other members of the genus by the nature of the spirality of the cirrus.
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