FIGURE 5. Limnosida frontosa Sars, 1862 in Redescription of Limnosida frontosa Sars, 1862 (Crustacea: Cladocera: Sididae), with evidence of possible incipient species differentiation

FIGURE 5. Limnosida frontosa Sars, 1862, females (Lake Konnevesi, Finland) (most filtering setae of endopodites (en) not shown; terminal soft, non- segmented setae on the end of endopodite are indicated by unlabeled arrows; naked seta of tl I is indicated as "ns"). A, thoracic limb of first pair (tl I), inner view. B, soft sensilla-like outgrowths of gnathobase. C, thoracic limb of second pair (tl II), inner view. D, scheme of attachments of two soft, not segmented setae of tl II, outer view (setulae not shown). E, modified thorn-like, naked, hooked seta on distal corner of gnathobases of tl III–tl V (J). F, Thoracic limb of sixth pair (tl VI), inner view. G, exopodite of thoracic limb of sixth pair.