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. 2014 Oct;50(5):551–592. doi: 10.1016/j.ejop.2014.08.001

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© 2014 The Authors

This work is licensed under a Creative Commons Attribution 3.0 Unported License.

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Fig. 4 — Micrographs of three new species of subgenus Acrospina: Paraphysomonas acuminata acuminata, P. acuminata cuspidata, P. mikadiforma. (A,B)P. a. acuminata. (PML6A). (C,D)P. aff. a. acuminata (WA20KP). (E)P. aff. a. acuminata. (CCL3C). (F,G)P. a. cuspidata (PR26KB). (H,I)P. mikadiforma. (A) DIC live cells of P. a. acuminata, spines visible (arrowhead). (B) TEM of spine scales with oblique pointed tip and dense annulus on base-plate (arrows). (C) DIC live cell P. aff. a. acuminata (WA20KP), spines visible (arrowhead) and typical long posterior cilium. (D) TEM of spine scales with no clear annulus visible. (E)P. aff. a. acuminata (CCL3C) TEM of scales, showing annulus (arrowhead). (F) DIC of P. a. cuspidata, long AF (double arrowhead) and spines visible (arrowhead). (G) TEM of spine scales with oblique pointed tip and annulus on base-plate (arrow). (H) TEM of three spine scales of P. mikadiforma with no dense base-plate rim and one contaminant scale (cnt.) with dense margin and different spine tip. Annulus clearly visible on two scales (arrows). (I) DIC of live P. mikadiforma with visible spines (arrowhead). Scale bars; A, C, F and I, 5 μm. B, D, E, G and H, 1 μm.