Genus: Cell body ellipsoidal-ovoidal with cell wall; Four equal-length flagella arising from an anterior depression of the cell body; chloroplast cup-shaped with a pyrenoid at the bottom; a single stigma large; two contractile vacuoles at the base of flagella (An Illustrated Guide to Freshwater Zooplankton in Japan, 2000).
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Similar genus -->> Carteria;
T. cordiformis ?
15 x 11 μm
Hana-no-oka Koen
Saitama, 2002
T. cordiformis ?
14 x 8 μm
Wan-park-land
Kochi, 2002
T. cordiformis ?
μm
Maihara
Shiga, 2003
T. cordiformis ?
μm
Flower park
Ashikaga
Tochigi, 2003
T. cordiformis
μm
Old Sugata r.
Mibu
Tochigi, 2008
T. cordiformis ?
17 x 14 μm
Tachikawa
Tokyo, 2004
T. cordiformis ?
17 x 14 μm
Shiroyama Park
Okegawa
Saitama, 2006
T. cordiformis ?
14 x 12.5 μm
Nakai-numa park
Yoshikawa
Saitama, 2006
T. cordiformis ?
14 x 12.5 μm
Yase Shinsu koen
Minakami
Gunma, 2006
T. cordiformis
μm
Akebono-yama p.
Kashiwa
Chiba, 2008