Fig. 6

Middle to late morphogenetic stages of Heterodeviata nantongensis nov. sp. after protargol staining. A, B Ventral (A) and dorsal (B) view of the same middle divider, arrowheads and arrows in (A) denote the anlage V and the dorsal kinety anlage 2 of the proter, and arrowheads and arrow in (B) indicate dorsal kinety 2 and macronuclear nodules, separately. C, D Ventral (C) and dorsal (D) view of the same middle-late divider, arrowheads in (C) indicate the anlage V, ellipse in (C) encircles the anlage IV of the proter and arrowheads in (D) indicate the dorsal kinety anlage 2 of the proter and opisthe. E, F Ventral (E) and dorsal (F) view of the same middle-late divider, arrowheads in (E) denote the anlage V of the proter and opisthe, arrowheads in (F) indicate the dorsal kinety anlage 2 of the proter and opisthe, in this stage, the micronuclei divide mitotically once. G, H Ventral (G) and dorsal (H) view of the same middle-late divider, arrows and arrowheads in (H) indicate caudal cirri and dorsal kinety anlage 2 for the proter and opisthe, in this stage, anlagen I–V dedifferentiated into cirri. I–IV, anlagen I–IV; AZM, adoral zone of membranes; BC, buccal cirrus; DKA1, 2, dorsal kinety anlagen 1, 2; EM, endoral membrane; FC, frontal cirri; FVC, frontoventral cirri; LMA1, 2, 3 left marginal anlagen 1, 2, 3; Ma, macronuclear nodules; Mi, micronuclei; PM, paroral membrane; RMA1, 2, right marginal anlagen 1, 2. Scale bars = 30 μm