A new species of Afrolernaea (Copepoda: Lernaeidae) parasitic on mormyrid fishes in Gabon and a discussion of its affinities

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Abstract

A new lernaeid copepod of the genus Afrolernaea parasitic on mormyrid fishes from Gabon is described. A fin parasite, this species has been found only on the inner face of the pectoral fins. The new species is the most primitive member of the genus yet discovered and the structure of its appendages throws light on the nature of the anchoring hooks of the more advanced species, and on the probable course of evolution within the genus. The suggested affinities of the species of the genus are indicated in a dendrogram.

Ancillary