Microworld

world of amoeboid organisms

Menu
Corythion asperulum
Corythion asperulum
C. asperulum mosses on tree, Saarburg, Germany

Corythion asperulum Schönborn, 1988

Diagnosis: Shell ovoid in dorsal view, dorso ventrally compressed; aperture n´early semicircular, slightly invaginated, with a row of teeth. Idiosomes consist of elongate oval plates, irregularly placed on the shell. Shell with a variable number of tiny spines, distributed over the whole surface. Spines protrude singly from the junctions of the plates. Idiosomes and spines essentially consist of silicium. Shells colorless and usually transparent. Nucleus with a slightly eccentric nucleolus.

Dimensions: length 31.2-43.7 µm, width 31.2-43.7 µm, height 17.5-21.9 µm.

Ecology: Schönborn found this species in spruce forest soil in Thüringen, Germany, I found it in mosses on trees, also in Germany (Saarburg).

Remarks: This species is closely related to C. dubium.

Recent posts

Metaheleopera

M. ovalistoma – after Bartos, 1963 Metaheleopera  Bartos, 1963 Diagnosis: Shell clearly narrowing towards the pseudostome, which can be seen even more clearly on the narrower sides

Read More »

Matsakision radixicola

M. radixicola – after Chardez, 1974 Matsakision radixicola  Chardez, 1974 Diagnosis: Shell ovoid, slightly compressed, transparent; pseudostome oval, truncated perpendicularly, with a slight neck. Shell

Read More »

Matsakision cassagnaui

M. cassagnaui – after Bonnet, 1967 Matsakision cassagnaui  Bonnet, 1967 Diagnosis: Shell hyaline, elongated ovoid, very little compressed, truncated perpendicularly or very slightly obliquely in

Read More »

Matsakision

Matsakision – after Bonnet, 1967 Matsakision   Bonnet, 1967 Diagnosis: Shell hyaline, elongated ovoid, very little compressed, truncated perpendicularly or very slightly obliquely in the region

Read More »

Arcella marginata

Arcella marginata, after Deflandre, 1929 Arcella marginata Daday, 1905 Diagnosis: Shell roughly hemispherical, rather overhanging, with a flattened, smooth edge. In dorsal view showing a

Read More »

Arcella lobostoma

Arcella lobostoma, after Deflandre, 1929 Arcella lobostoma Deflandre, 1929 Diagnosis: Shell hemispherical. In ventral view, irregular circular outline, often a little elliptical; pseudostome irregularly lobed:

Read More »