Genus: Highly flattened; pellicle firm; body form constant (Kudo, 1966). Chloroplasts small, discoid, pyrenoids usually absent; most species flat and leaf-shaped; often with ridges or fins running helically or longitudinally (Illustrated Guide, 1985).
P. longicauda |
P. longicauda |
P. torta |
P. torta var. tortuosa |
Phacus sp. big ! |
P. pleuronectes |
P. pleuronectes small var. |
P. landekiensis |
P. curvicauda |
P. caudatus |
P. warszewiczii |
Phacus sp. |
Phacus sp. x 640 |
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