Family: Test rigid, chitinoid, oval to flask-shaped, clear; pseudostome terminal (Illustrated Guide, 1985).
Genus: Test ovate, discoid in cross-section; pseudostome a terminal slit (Illustrated Guide, 1985).
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H. papilio ?
test 140,150 x μm
Sukawa highland
Kurikoma mt.
Akita, 2007
H. papilio ?
test x μm
Ryugahara m.5
Yuri-Honjo
Akita, 2008
H. papilio
test 123 x 86 μm
Yahei-daira 3
Azuma mountains
Yamagata, 2007
H. papilio
test 142 x 89 μm
Mizunashi-Yachi 6
Komado marsh
Fukushima, 2007
H. papilio
test 130 x 80 μm
Yumi-ike
Shirane mountain
Gunma, 2005
H. papilio
test μm
Fujimitashiro
Oze marsh
Gunma, 2007
H. papilio
test μm
Fujimitashiro
Oze marsh
Gunma, 2008
H. papilio
test 130 x 100 μm
Kamino-tanbo
Tsugaike highland
Nagano, 2006
H. papilio
test 128-144 x 85-94 μm
Chigo-ike 1
Shiga highland
Nagano, 2006
H. papilio
test 136 x 92 μm
Tanohara Natural p.
Ontake highland
Nagano, 2005
H. elegans
test 109 x 56 μm
Shirakaba-Yachi 1
Komado marsh
Fukushima, 2007
H. cuneata
test 61 x 38 μm
n. 11 (5) μm φ
Japan, 199?
H. cuneata
test 60 x 44 μm
n. 11 (3) μm φ
Watarase river
Ashikaga
Tochigi, 2004
H. cuneata
test 62 x 40 μm
n. μm φ
Kurome river
Asaka
Saitama, 2005
H. cuneata
test 60 x 39 μm
n. μm φ
Sayama park
Higashi-Murayama
Tokyo, 2006
H. cuneata
test 56 x 37 μm
n. 11 (4-5) μm φ
Japan, 1999
Movies
H. cuneata
or H. minuta ?
test 56 x 36 μm
n. 11 μm φ
Shirakawa
Fukushima, 1999
H. nobilis
test 180 x 85 μm
Oze-ga-hara
Katashina
Gunma, 2006
H. nobilis
test 170 x 92 μm
Yokotashiro 4
Katashina
Gunma, 2007
H. nobilis
test μm
Yokotashiro 4
Katashina
Gunma, 2008
H. nobilis
test μm
Ko-numa 3
Minakami
Gunma, 2008
H. nobilis
test 160 x 80 μm
Nidanuma
Tsuchiyu-onsen
Fukushima, 2005
H. nobilis
test 167 x μm
Akebono marsh
Tsuchiyu-onsen
Fukushima, 2005
H. nobilis
test 163 x 78 μm
Oh-Yachi 3
Komado marsh
Fukushima, 2007
H. nobilis
test μm
Kareki-numa
Nikko
Tochigi, 2008
H. nobilis
test 165 x 76 μm
Koigakubo marsh
Tessei-cho
Okayama, 2004
H. minuta ?
test 43 x 27 μm
n. μm φ
Onnenai
Kushiro marsh
Hokkaido, 2005Similar Genus -->> Cryptodifflugia