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Lobosea: Testacealobosia: Arcellinida: Difflugiidae

Difflugia
LeClerc, 1815

Family: Pseudostome terminal, variable in shape.
Genus: Pseudostome lacks lobed collar; test round or oval in cross-section; with or lacking a collar (Illustrated Guide, 1985).
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Group: Lobostomoides
(Test with short neck, round in cross-section; pseudostome oval or polygonal)
Difflugia
D. corona
8 samples
test 105-188 μm
L/W=0.9-1.0
199?-2005
Difflugia
D. tuberculata
2 samples
test 169 x 131 μm
L/W=1.3
199?-2003
Difflugia
D. lobostoma
15 samples
test 78-112 μm
L/W=1.3-1.5
199?-2004
Difflugia
D. lobostoma ?
74 x 70, 94 x 75
L/W=1.1, 1.3
Higashi-sano
Hakuba
Nagano, 2004
Difflugia
D. lanceolata
140 x 86 μm
L/W=1.6
Tanohara marsh
Shiga highland
Nagano, 2005
Difflugia
D. limnetica
10 μm ?
L/W=
Difflugia
D. pristis
5 samples
50-75 μm
L/W=1.2-1.9
2004-2005
Difflugia
Difflugia sp.
D. pristis ?
58-80 x 43-63 μm
L/W=1.3-1.4
Uruguay, 1999
Group: Compressoides
(Test lacks neck or collar, oval in cross-section; pseudostome oval to round)
Difflugia
Difflugia sp.
95 x 43 μm
L/W=2.2
Myoyo
Fukiage
Saitama, 2004
Difflugia
D. mammilaris
10 samples
39-120 μm
L/W=1.3-1.9
199?-2005
Difflugia
D. mammilaris
10 samples
39-120 μm
L/W=1.3-1.9
199?-2005
Difflugia
Difflugia sp.
240 x 160 μm
L/W=
Aizu Recreation p.
Aizuwakamatsu
Fukushima, 2005
Difflugia
D. Penardi
10 samples
70-85 x μm
L/W=
1998-2008
Difflugia
Difflugia sp.
D. Penardi ?
82 x 50 μm
L/W=1.6
Uruguay, 1999
Group: Urceoloides (Test with outrolled collar; pseudostome round)
Difflugia urceolata
D. urceolata
214 x 180 μm
L/W=1.2
Iida-shinden
Nishi-ku
Saitama, 2004
Difflugia amphora
D. amphora
205 x 150 μm
L/W=1.4
Iida-shinden
Nishi-ku
Saitama, 2004
Difflugia
D. amphora ??
or D. oviformis ?
144 x 120 μm
L/W=1.2
Japan, 1998
Difflugia
D. amphora ??
or D. oviformis ?
μm
L/W=
Shinbaru
Fukuoka, 2001
D. amphora ??
or D. oviformis ?
μm
L/W=
Japan, 1998
Group: Globuloides
(Test globular, lacks neck or collar; pseudostome nearly as wide as body)
Difflugia
D. lebes
μm
L/W=
Japan, 199?
Group: Ovoglobuloides
(Test ovoglobular; pseudostome smaller than diam of test)
Difflugia
D. globulosa
17 samples
25-63 x μm
L/W=1.0-1.3
199?-2008
Difflugia
D. globulosa ?
μm
L/W=
Hiroshima, 1998
Difflugia
D. globulosa ?
μm
L/W=
Japan, 1999
Difflugia
Difflugia sp.
75 x 80 μm
L/W=
Karakemi marsh
Yasaka
Nagano, 2005
Group: Acutoides
(Test cylindroid with pointed base; pseudostome round)
Difflugia
D. scalpellum
4 samples
185-225 μm
L/W=3.6-4.2
1998-2008
Group: Cornoides
(Test elongate with spine from base and/or sides; pseudostome round)
Difflugia
D. acuminata
8 samples
165-290 μm
L/W=2.1-3.9
199?-2006
Difflugia acuminata
D. acuminata ?
8 samples
165-290 μm
L/W=2.1-3.9
199?-2005
Difflugia
Difflugia sp.
240 x 100 μm
L/W=
Oze-ga-hara
Katashina
Gunma, 2006
Difflugia
Difflugia sp.
320-352 μm
L/W=1.7-2.1
Iroha-numa
Azuma Mt.
Yamagata, 2007
Difflugia acuminata
D. claviformis
13 samples
145-316 μm
L/W=2.3-5.4
199?-2008
Difflugia
D. bacillariarum
17 samples
150-190 μm
L/W=2.0-2.8
2004-2007
Difflugia elegans
D. elegans
or D. curvicaulis ?
25 samples
90-190 μm
L/W=1.5-2.2
1998-2008
Group: Pyriformoides
(Test with long neck; pseudostome round)
Difflugia
D. pyriformis
20 samples
88-410 μm
L/W=1.3-3.1
199?-2008
Difflugia
D. pyriformis
20 samples
88-410 μm
L/W=1.3-3.1
199?-2008
Difflugia
D. oblonga
52 samples
40-370 μm
L/W=1.7-2.5
199?-2007
Difflugia
D. oblonga
52 samples
40-370 μm
L/W=1.7-2.5
199?-2007
Difflugia bacillifera
D. bacillifera ?
6 samples
110-170 x μm
L/W=1.9-2.2
2006-2008
Group: ???
Difflugia
Difflugia sp.
150 x 145 μm
L/W=1.0
Kusatsu Onsen b.t.
Kusatsu
Gunma, 2005
xxxx
Difflugia sp.
140 x 135 μm
L/W=1.0
Lake Shirakaba
Tateshina & Chino
Nagano, 2005
Difflugia
Difflugia sp.
105 x 105 μm
L/W=1.0
Uruguay, 1999
Difflugia
Difflugia sp.
87 x 78 μm
L/W=1.1
Japan, 1998
Movies
Difflugia
D. biwae
μm
L/W=
Lake Biwa
Shiga
Difflugia
D. bipes ?
150 x 30 μm
Maimeno-ike
Norikura highland
Nagano, 2006
Difflugia
D. bipes ?
135 x 90 μm
L/W=1.5
Univ. A.V.M.
Obihiro
Hokkaido, 2005
Difflugia
D. bipes ?
130 x 80 μm
L/W=1.6
Uruguay, 1999
Difflugia
D. crassa ?
180 x 180 μm
Mida-ga-hara 7
Gassan
Yamagata, 2006
Difflugia
Difflugia sp.
or Oopyxis
μm
L/W=
Japan, 199?
Difflugia
misc.
μm
L/W=

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Difflugia
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