Heterolobosea: Schizopyrenida: Vahlkampfiidae
(Lobosea: 
Gymnamoebia: 
Schizopyrenida: Vahlkampfiidae)
Vahlkampfia avara
Page, 1967
 
Order (Singh, 1952) & Family (Jollos 1917, Zulueta, 1917): Limax-form; monopodial; 
clear, hemispherical eruptive, anterior bulges (Illustrated Guide, 1985).  
 
Genus: No flagellate stage; uninulceate (Illustrated Guide, 1985).  
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Vahlkampfia sp. (avara ?), 
locomotive monopodial 24 μm long, 5-6 μm wide, villous uroids, 
pseudopods hemispherical, clear & eruptive, nucleus 2-3 μm diam., 
a contractile vacuole posterior, 
x 640, Japan, 199? by Y. Tsukii
 31 μm
 63 μm
 94 μm; x 640
* Vahlkampfia avara Page, 1967:  Round, 10-15 μm; 
locomotive 15-33 μm long, W/L=1/3; 
pseudopods, clear, eruptive; uroid temporary; nucleus spherical, 3-6 
μm (Illustrated Guide, 1985).  
Cysts 7-14 μm diam. (How to know the protozoa, 1979).  
Vahlkampfia russelli: 
Locomotive 30-40 μm long, 
cysts to 20 μm diam. 
(How to know the protozoa, 1979). 
Vahlkampfia magna: 
Cysts 18-20 μm diam. 
(How to know the protozoa, 1979).
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