FIGURE 2. Limnosida frontosa Sars, 1862 in Redescription of Limnosida frontosa Sars, 1862 (Crustacea: Cladocera: Sididae), with evidence of possible incipient species differentiation

FIGURE 2. Limnosida frontosa Sars, 1862, females (A, E, Neva River estuary; B, Sheksninskoye reservoir; C, D, Lake Bolon', Far East of Russia; F, L, O, Lake Kilometrovoe; G, Lake Nidjili, Yakutia; H, Lake Stensrudvann, Norway; I, J, Lake Rostajarvi, Karelia; K, N, Lake Bol'shoi Harbei; M, Kunovatskiy sor; P, Lake Toros, Karelia; R, Pregel River). A, postabdomen, lateral side. B–E, posterior part of ventral valve margin. F, maxilla (mx I) and maxillula (mx II) near the base of tl I. G, resting eggs in brood pouch. H–R, postabdominal claws.