FIGURE 21 in A new case of West-East differentiation of the freshwater fauna in Northern Eurasia: the Pleuroxus trigonellus species group (Crustacea: Cladocera: Chydoridae)

FIGURE 21. Pleuroxus uncinatus (Baird, 1850), adult male from the pond in stadium of AZLK factory near Metro Station "Tekstilschiki", City of Moscow, Russia, coll. 09.10.2000 by A.Y. Sinev. A, Juvenile male, lateral view. B, Labrum. C, Armature of posteroventral portion of valve. D, Postabdomen, lateral view. E, Antenna I. F, Antenna II, proximal portion. G, Distal portion of limb I. Scale bars 0.1 mm.