|   Amphora sp.
 55 x 31 μm
 Owada Park
 Saitama
 Saitama, 2005
 |   Amphora sp.
 51 x 28 μm
 Hasu-ike
 Shiga highland
 Nagano, 2005
 |   Amphora sp.
 51 x 29 μm
 Watarase river
 Ashikaga
 Tochigi, 2004
 |   Amphora sp.
 45 x 23 μm
 Daidarabotchi-ike
 Iizuna-kogen
 Nagano, 2003
 | 
|   Amphora sp.
 41 x 21 μm
 Lake Shirakaba
 Tateshina & Chino
 Nagano, 2005
 |   Amphora sp.
 38 x 21 μm
 Kawaguchi Natural p.
 Kawaguchi
 Saitama, 21005
 |   Amphora sp.
 34 x 16 μm
 Chiba Park
 Chiba, 2003
 |   Amphora sp.1
 cell μm
 Japan, 199?
 | 
|   Amphora sp.1
 26 x 16 μm
 Japan, 1998
 |   Amphora sp.1
 28 x 14 μm
 Japan, 1999
 |   Amphora sp. ?
 34 x 16 μm
 Japan, 1999
 | 
|   Amphora sp. ?
 54 x 23 μm
 Tane-ike
 Togakushi highland
 Nagano, 2005
 |   Amphora sp. ?
 30 x 20 μm
 Owada Park
 Saitama
 Saitama, 2005
 |   Amphora sp. ?
 39 x 20 μm
 Japan, 1997
 |   A. montana
 or A. veneta ?
 identified by
 Ursula Gschnaidner
 μm
 Uruguay, 1999
 |