Family Paraquadrulidae Deflandre, 1953

Diagnosis: Lobose testate amoebae with shell completely composed of endogenously formed rectangular calcite plates embedded in a sheet-like organic cement. The presence of calcite should be verified by polarizing microscopy, with hydrochloric acid, or X-ray- microanalysis.

Two genera:

 

Test oval or round

Paraquadrula

Test flask-shaped

Lamtoquadrula
Recent posts

Microcorycia spec. 4

Microcorycia spec. , folded Microcorycia spec.? I found this specimen in a sample from moss on a fallen tree in a marsh in the Naardermeer,

Read More »

Microchlamys spec.

Microchlamys spec., the same cell in lateral view Microchlamys spec. Diagnosis: Shell relatively high compared with all described species. The diameter is twice the height.

Read More »

Excentrostoma

Infraorder Excentrostoma Kosakyan et al., 2016   Diagnosis: Testate amoebae with an eccentrically placed aperture; test organic with few or many xenosomes. Family Centropyxidae Jung, 1942  

Read More »

Longithecina

Infraorder Longithecina Kosakyan et al., 2016   Diagnosis: Testate amoebae with a more or less tubular or cylindrical test and a terminal aperture; test with

Read More »