Genus: Body spherical or oval; one or two yellowish-brown chloroplasts (How to know the protozoa, 1779). Flagellate often becoming amoeboid or palmelloid; a single external flagellum emerging apically; second very short flagellum in a pocket detected when examined by electron microscopy; 1 or 2 chloroplasts; eyespot present in some species; cysts smooth or ornamented; many species with peripheral muciferous bodies; discobolocysts (a kind of extrusome) in some species; freshwater or marine (Illustrated Guide, 1985).

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Chromulina sp. ? C. magna ? cell 25-31 x 18-20 μm stigma present Okubo Ryoke Akigase Park Saitama, 2005	Chromulina sp. ? C. magna ? cell 25 x 21 μm stigma present Kowashimizu Suwa Nagano, 2005	C. wislouchiana ? cell 31 x 16 μm Senjo-ga-hara Nikko Tochigi, 2006	C. suprema ? 40,45 x μm Tanohara marsh 3 Shiga highland Nagano, 2007
C. rosanoffii cysts 11 μm cell 8 x 5 μm Akigase Park Saitama, 2002	C. glacialis cysts 7 μm cell 5-6 x 4 μm Tokyo, 2001	C. glacialis 8 x 6 μm Iwajuku Gunma, 2001	C. glacialis ? 6 x 5.5 μm Iwajuku Gunma, 2001
C. pascheri ? or C. rosanoffii ? cysts 9 μm Japan, 1998 Movies	C. pascheri ? or C. rosanoffii ? cysts 9 μm Kaga Ishikawa, 2000	C. pascheri ? or C. rosanoffii ? Oze-ga-hara Katashina Gunma, 2006	Chromulina sp. 7-9 x 5.5 μm Gyoda Saitama, 2001
Chromulina cysts 7 μm Mizumoto Park Tokyo, 2001	Chromulina sp. μm near City Hall Fujimi Saitama, 2004	Chromulina sp. cysts 9 μm Sue-machi Fukuoka, 2001	Chromulina sp. cysts 9 μm Tsukamoto Sakura-ku Saitama, 2004
Chromulina sp. ? μm Japan, 199?	Chromulina sp. ? 6-7 μm Omotsubo marsh Tetta-cho Okayama, 2004	Chromulina sp. ? 10-12 μm Ushidome-ike Norikura highland Nagano, 2005	Chromulina sp. ? μm Ayamedaira 4 Katashina Gunma, 2007

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