FIGURES 14–22 in Taxonomic revision and morphological cladistics analysis of the diatom genus Anorthoneis (Cocconeidaceae), with description of Anorthoneis arthus-bertrandii sp. nov.

FIGURES 14–22. Anorthoneis dulcis specimens from Hein (1991). (14) Raphe-sternum valve LM micrograph of A. dulcis from Hein (1991), fig. 2 (holotype); (15) Raphe-sternum valve LM micrograph of A. dulcis from Hein (1991), fig. 3; (16) Sternum valve LM micrograph of A. dulcis from Hein 1991, fig. 3'; (17) Sternum valve LM micrograph of A. dulcis from Hein (1991), fig. 2' (holotype); (18, 19) LM micrographs of A. dulcis sternum and raphe-sternum valve from holotype (slide ANSP A-GC #55788, Diatom herbarium, Philadelphia Academy of Natural Sciences); (20–22) LM micrographs of A. dulcis sternum and raphe-sternum valves from holotype (slide ANSP A-GC #55788, Diatom herbarium, Philadelphia Academy of Natural Sciences). Scale bars: Figs 14, 17–19 = 10 μm; Figs 15, 16, 20–22 = 5 μm.