Tetraedron caudatum
(Corda) Hansgirg var. incisum Lagerheim
Genus: Cell body short, radiate in shape; apical view of the cell, triangular, polygonal,
ellipsoidal or spindle-shaped; zygospores formed outside of mother cells
(Illustrations of The Japanese Fresh-water Algae, 1977).
Species [ var. incisum ]:
Similar genus -->> Tetraedriella (Xanthophyceae);
Goniochloris (Xanthophyceae);
Tetraedron caudatum ? or similar species,
cell body 10 μm long, 10 μm wide, L/W=1.3,
spiny projections 5 μm long,
x 640, a pond near Dedono-yu (hot spring), prefectural road route 215, Nishiwaga-machi (town), Iwate Pref., Japan, May 4, 2007 by Y. Tsukii
31 μm
63 μm
94 μm; x 640
Images of collecting locality:
a pond near Dedono-yu (hot spring), prefectural road route 215, Nishiwaga-machi (town), Iwate Pref., Japan, July 28, 2007 by Y. Tsukii