Family: Unicells or colonies of non-fixed number of cells; cell body variable in shape; one or more chloroplasts variable in shape; asexual reproduction by autospore or autocoenobium (Illustrations of The Japanese Fresh-water Algae, 1977).
Genus: Colonies of 4, 8, 16 or 32 cells in a gelatinous sheath; cell body long cylindroid, strongly curved or twisted, both ends rounded; a chloroplast full within the cell; a single pyrenoid (Guide book to the "Photomicrographs of the Freshwater Algae", 1998).
Google Image Search
Similar Genus -->> Selenastrum; Selenodictyum; Dimorphococcus;
K. contorta
7 samples
x 1.4-2.3 μm
1999-2004
K. lunaris
20 samples
x 2.3-6 μm
1997-2007
K. lunaris ?
Selenastrum ?
terminal tapered
Mizumoto Park
Tokyo, 2001
K. obesa
22 samples
x 4-7 μm
199?-2007
K. acuminata ?
x 9 μm
terminal pointed
Saitama, 1999
K. acuminata ?
11-13 x 6-7 μm
Ikenokochi marsh
Tsuruga
Fukui, 2004
K. acuminata ?
9 x 4 μm
water reservoir
near Yamaguchi Univ.
Yamaguchi, 2004