Fig. 7

Late morphogenetic stages of Heterodeviata nantongensis nov. sp. after protargol staining. A, B Ventral (A) and dorsal (B) view of the same late divider, arrow and arrowhead in (A) indicate parabuccal cirrus and buccal cirrus of the proter, arrows in (B) indicate the caudal cirri of the proter and opisthe and arrowheads in (B) denote the dorsal kinety 2, in this stage, two bristles of dorsal kinety 2 formed and one macronuclear nodule dedifferentiated into two ones. C, D Ventral (C) and dorsal (D) view of the same late divider, arrowhead in (C) indicates the buccal cirrus of the proter and arrow in (C) indicates the parabuccal cirrus of the opisthe, and arrows and arrowheads in (D) denote the caudal cirri and dorsal kinety 2 of the proter and opisthe. AS, anterior segment of frontoventral cirri; AZM, adoral zone of membranes; DK1, 2, dorsal kinety 1, 2; EM, endoral membrane; FC, frontal cirri; LMR1, 3, left marginal row 1, 3; Ma, macronuclear nodules; PS, posterior segment of frontoventral cirri; RMR1, 2, right marginal row 1, 2. Scale bars = 30 μm