Family: Pseudostome ventral, more or less invaginated (Illustrated Guide, 1985).
Genus: Test circular, ovoid or discoid; pseudostome eccentric (acentric), circular or ovoidal; with or without spines (Kudo, 1966).
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C. discoides
6 samples
166-200 μm
2-7 spines
199?-2005
C. aculeata
39 samples
46-170 μm
199?-2007
C. aculeata
38 samples
46-170 μm
199?-2006
C. aculeata ?
140 x 100 μm
Univ. A.V.M.
Obihiro
Hokkaido, 2005
Centropyxis sp.
200 x 150 μm
Koigakubo marsh
Tessei-cho
Okayama, 2004
C. ecornis
11 samples
54-230 μm
199?-2006
Centropyxis sp.
100 x 90 μm
Kawatabi
Narugo
Miyagi, 2003
Centropyxis sp.
110 x 90 μm
Watarase river
Ashikaga
Tochigi, 2004
Centropyxis sp.
105 x 100 μm
Japan, 199?
Centropyxis sp.
98 x 85 μm
Japan, 199?
Centropyxis sp.
90 x 80 μm
80 x 70 μm
Japan, 1999
Centropyxis sp.
70 x 64 μm
Tennoh
Tessei-cho
Okayama, 2005
Centropyxis sp.
50 x 50 μm
Japan, 199?
C. aerophila
3 samples
118-160 μm
199?-2004
C. constricta
25 samples
56-130 μm
199?-2008
C. constricta
22 samples
56-125 μm
199?-2006