Ellipsopyxis – Microworld

E. regularis – after Bonnet, 1965

Genus Ellipsopyxis Bonnet, 1965

Diagnosis: Shell as in Cyclopyxis but bilaterally symmetrical, with elliptical pseudostome with no or only slight invagination. Test yellowish or clear maroon, ventral surface smooth due to organic cement, dorsal and lateral surfaces encrusted with small mineral particles. In dorsal view elliptic, but in lateral view on to the large axis semi-elliptic.

Type species: Ellipsopyxis pauliani Bonnet, 1965
Four species.

Ecology: Mainly in rich organic tropical forest soils. Distribution: Africa, Asia, Central- and South America.

Ferry Siemensma
Created April 26, 2019
Last updated February 01, 2021

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

Z. 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