Genus: Body elongated; with silicious scales and often spines; two chloroplasts rod-shaped (Kudo, 1966).
Species:
->> Description at WPPNO Google Image Search
M. robusta
30 μm
Lake Biwa
Maihara city
Shiga, 2003
M. robusta
23 x 10 μm
Jizoh-bori
Sannoh Park
Saitama, 2005
M. robusta
29 x 10 μm
Kareki-numa
Nikko
Tochigi, 2008
