Fig. 8.
Transmission electron micrographs of Hormidiella and Streptosarcina species. A, B) H. parvula (Luk-89). A) Cell in overview. B) Portion of cell showing closely arranged chloroplast, peroxisome and nucleus. C-F) S. arenaria gen. et sp. nov. (Prim-3-3). C) Cell in overview. D–F) Portions of cells showing closely arranged chloroplast, peroxisome and nucleus, pyrenoid traversable by parallel thylakoids, centrioles and chloroplast structure. G–I) S. costaricana gen. et sp. nov. (SAG 36.98). G) Cell in overview. H, I) Portions of cells showing closely arranged chloroplast, peroxisome and nucleus, pyrenoid traversed by parallel arranged thylakoids and chloroplast structure. Abbreviations: Ch, chloroplast; Py, pyrenoid; S, starch; N, nucleus, Nu, nucleolus; P, peroxisome; M, mitochondrium, G, Golgi body; C, centrioles; CW, cell wall. Scale bars: A–E, G–I are 1 μm, F is 0.5 μm.