FIGURE 7. Limnosida frontosa Sars, 1862 in Redescription of Limnosida frontosa Sars, 1862 (Crustacea: Cladocera: Sididae), with evidence of possible incipient species differentiation

FIGURE 7. Limnosida frontosa Sars, 1862, antennules of males (A, Neva River estuary; B, Lake Toros, Karelia; C, D, E, Lake Kilometrovoe, Komi Republic; F, I–L, Kunovatskiy sor; G, Lake Bol'shoi Harbei, Komi Republic; M, Lake Nidjili, Yakutia; N, O, Lake Beloe, Yakutia; P, Q, Lake Usun-Kuel', Yakutia; R, S, Lake Chlja; T, Lake Pir; U, Verhne-Olinskaja channel; V, River Amur near the mouth of River Hungari (Gur)). A–F, H–V, proximal part of antennule and distal outgrowth of antennule (F, antennule with malformed proximal outgrowth). G, malformed antennule.