Belaria – Microworld

Microworld

world of amoeboid organisms

Menu

Menu

Belaria bicorpor, living cell, France

Genus Belaria De Saedeleer, 1934

Diagnosis: Shell hyaline, retort-shaped, with one side fastened to the substrate; shell divided in two compartments, separated by a diaphragm; shell with a neck. Shell composed of an organic material without any embedded xenosomes; color usually yellow-brown till dark-brown. Nucleus relatively large, globular with a central nucleolus. One contractile vacuole.
One species: Belaria bicorpor

Ecology: Freshwater and marine. Belgium, France, Netherlands.
I found this species three times, two specimens in the Netherlands and one in a small stream in Bretagne, France, all in freshwater.

Belaria bicorpor, empty shell, 16 µm; Netherlands

Belaria bicorpor, after De Saedeleer, 1934

Belaria bicorpor, Netherlands, 2021

Ferry Siemensma
Created March 2, 2019
Last updated May 09, 2021

Menu

Recent posts

Zivkovicia compressoidea

July 24, 2021

Z. compressoidea, a-b after Chardez, 1958; c after Jung, 1942 Zivkovicia compressoidea (Jung, 1942) new.comb. Basionym: Pontigulasia compressoidea Jung, 1942 Diagnosis: Shell ovoid and compressed,

Zivkovicia flexa

July 24, 2021

Zivkovicia flexa, from Cash and Hopkinson, 1909 Zivkovicia flexa (Cash and Hopkinson, 1909) Ogden, 1983 Basionym: Pontigulasia compressa var. flexa Cash and Hopkinson, 1909 Diagnosis:

Lagenodifflugia epiouxi

July 19, 2021

L. epiouxi, after Chardez, 1984 3 Lagenodifflugia epiouxi (Chardez, 1983) new comb. Basionym: Pontigulasia epiouxi Chardez, 1983 Diagnosis: Shell elongate, circular in cross-section or very

Centropyxis lapponica

July 5, 2021

Centropyxis lapponica, after Grospietsch, 1954 Centropyxis lapponica Grospietsch, 1954 Diagnosis: Shell nearly circular in circumference, without spines. Aperture clear square with rounded corners. Shell viewed

Chaos spec. 6

June 28, 2021

Chaos spec., Crailoo, 2021 Chaos spec. This specimen was found in a samples from Crailoo, Netherlands. It was remarkable because of the absence of crystals.

Difflugia lanceolata parasitism

May 25, 2021

Difflugia lobostoma parasitism I found this Difflugia lanceolata specimen in 2021, in the mud of a shallow pond. A parasite is present in the posterior

Bullinularia maxima

May 24, 2021

Bullinularia maxima – from Bobrov and Mazei, 2020 Bullinularia maxima Bobrov et Mazei, 2020 Diagnosis: Shell brown, opaque, elliptical in ventral view; ventral surface is

Bullinularia macroporum

May 24, 2021

Bullinularia macroporum – from Bobrov and Mazei, 2020 Bullinularia macroporum Bobrov et Mazei, 2020 Diagnosis: Shell yellow-brownish, transparent, circular in ventral view; ventral surface is

Nebela golemanskyi

May 10, 2021

N. golemanskyi, after Todorov, 2010 Nebela golemanskyi Todorov, 2010 Diagnosis: Shell large, colourless and pyriform, with a distinct short neck about one fourth of the

Nebela nebeloides

May 10, 2021

N. nebeloides, after Gauthier-Lièvre and Thomas, 1958 Nebela nebeloides (Gauthier-Lièvre and Thomas, 1958) Todorov et al., 2010 Basionym: Difflugia nebeloides Gauthier-Lièvre and Thomas, 1958 Diagnosis: