Staurastrum pterosporum (Fig. 1-4); Staurastrum O' Mearii (Fig. 5-8); Staurastrum O'Mearii var. minutum (Fig. 9); Staurastrum aristiferum (Fig. 10-11); Staurastrum aristiferum var. protuberans (Fig. 12); Staurastrum cuspidatum (Fig. 13-15); Staurastrum cuspidatum var. divergens (Fig. 16-17); Staurastrum cuspidatum var. maximum (Fig. 18-19); Staurastrum leptodermum (Fig. 20) High resolution image |
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Staurastrum cuspidatum var. coronulatum (Fig. 1); Staurastrum pseudocuspidatum (Fig. 2-3); Staurastrum tunguscanum (Fig. 4); Staurastrum Ungeri (Fig. 5); Staurastrum subcrucuatum (Fig. 6-7); Staurastrum Avicula (Fig. 8-10); Staurastrum Avicula var. subarcuatum (Fig. 11); Staurastrum Avicula forma. (Fig. 12); Staurastrum denticulatum (Fig. 15); Staurastrum cornutum (Fig. 16); Staurastrum lunatum (Fig. 17-19); Staurastrum lunatum var. planctonicum (Fig. 20-22) High resolution image |
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Staurastrum longispinum (Fig. 1); Staurastrum longispinum var. bidentatum (Fig. 2-3); Staurastrum bifidum (Fig. 4); Staurastrum quadrangulare (Fig. 5); Staurastrum aciculiferum (Fig. 6); Staurastrum spiniferum (Fig. 7) High resolution image |
High resolution image |