FIGURE 5. The two-pored Matralona gen. n in Notes on chydorid endemism in continental Africa: Matralona gen. n., a monotypic Alonine from the Fouta Djalon Plateau (Guinea, West Africa) (Crustacea: Cladocera: Anomopoda)

FIGURE 5. The two-pored Matralona gen. n. and Armatalona Sinev, 2004. Both genera show similarities in external and limb morphology and may derive from a close common ancestor (or another result of homoplasy?). Both genera have the general appearance of small-sized Aloninae and previously belonged to Alona Baird, 1843. Top. Matralona simoneae (Dumont, 1981), Fouta Djalon, Guinea. Labral keel is completely exposed when compared to Armatalona. Below. Armatalona macrocopa (Sars, 1894), Australia. The spine-like antennal setae above the head are typical for the genus (Sinev 2004).