world of amoeboid organisms

Menu
Stachyamoeba lipophora
Stachyamoeba lipophora
The same cell, F = fat globules

Stachyamoeba lipophora Page, 1975

Diagnosis: flattened locomotion form, expanded, with irregular, sometimes spatulate or flabellate shape, with a few short, fine subpseudopodia, produced from a hyaloplasmic lobe; sometimes cylindrical (limax) with no discernible subpseudopodia; eruptive activity in either form; uninucleate, nucleus with 1-3 parietal nucleolar pieces; usually with at least one large lipid droplet (ca. 4 µm) and smaller ones; cysts usually spherical, sometimes reniform or crescentic from pressure during encystment, with smooth inner wall and outer wall raised into many peaks, without pores and opercula.

Dimensions: lomotion form ca. 15-35 µm, mean 22 µm; nucleus 2.8-4.6 µm in fixed, stained preparations; cysts 8.4-13.0 µm.

Ecology: fresh water and soil.

Stachyamoeba lipophora

Stachyamoeba lipophora
Recent posts

Cyclopyxis magna

Cyclopyxis magna – from Stepanek, 1967 Cyclopyxis magna Stepanek, 1967 Diagnosis: Test relatively high, covered with large mineral grains. The edge of the pseudostome is

Read More »

Cyclopyxis marinus

Cyclopyxis marinus – from Decloitre, 1977 Cyclopyxis marinus Decloitre, 1977 Diagnosis: Compared to Cyclopyxis aplanata the pseudostome is very minimally invaginated. It is surrounded by

Read More »

Cyclopyxis triangularistoma

Cyclopyxis triangularistoma – from Decloitre, 1980 Cyclopyxis triangularistoma Decloitre, 1980 Diagnosis: Ventral side exclusively covered with very small mineral grains, giving it a pearled appearance.

Read More »

Cyclopyxis pirini

Cyclopyxis pirini – from Golemansky 1974 Cyclopyxis pirini Golemansky 1974 Diagnosis: Ventrally, the test is circular. Laterally, the test is low hemispherical with a more

Read More »

Cyclopyxis eurystoma alta

C. eurystoma f. alta, after Jung, 1942 Cyclopyxis eurystoma f. alta  Jung, 1942 Diagnosis:  Test and coverage as the type. However, the side profile is

Read More »