FIGURE 3. A–L. Kyrtuthrix huatulcensis A–J culture material. K, L field material. A–C, H in Phylogenetic position reevaluation of Kyrtuthrix and description of a new species K. huatulcensis from Mexico´s Pacific coast

FIGURE 3. A–L. Kyrtuthrix huatulcensis A–J culture material. K, L field material. A–C, H. Lateral view of growth form in culture showing both individual and paired sheaths as well as tortuous filaments with loops, surrounded by common mucilaginous matrix. D, E. Two to few celled isopolar hormogonia in culture. F, G, I. Short heteropolar hormogonia. K. Young filament already bent. L. Isopolar hormogonia from field material. Scale bar A=20 μm, B–H 10 μm.