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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. 5 — Further micrographs of subgenus Acrospina: Paraphysomonas lucasi, P. aff. imperforata (EP1) and P. imperforata (CCAP 935/13). (A, B)P. lucasi. (C, D)P. aff. imperforata (EP1). (E,F)P. imperforata (CCAP 935/13). (A) TEM of detached scales showing the point at which the spine thins to a slight shoulder (arrow). (B) DIC of live P. lucasi cells. (C) DIC of live EP1 and larger dividing cell, shows four cilia (%). (D) TEM EP1 scales showing annulus (arrowhead) and one uncommon scale with very faintly denser rim on the base-plate (double arrowhead). (E) DIC of CCAP 935/13. (F) Scale showing base-plate annulus (arrowhead), broken spines (**). Scale bars: A – F, 0.5 μm.