Microworld

world of amoeboid organisms

Menu
Saccamoeba stagnicola
Saccamoeba stagnicola, 73 µm

Saccamoeba stagnicola Page, 1974

Diagnosis: cyst-forming, no cytoplasmic crystals; endocytic bacteria in all known strains; cysts with circular or slightly oval outline, usually sticky coat.

Ultrastructure: cup-like surface structures, c. 25 nm in diameter; mitochondria often elongate.

Dimensions: 30-75 µm long (mean 50 µm); L/B about 4.2 nucleus 4.5-8.5 µm (c. 6.5 µm); cysts 12-19 µm (mean 15 µm)

Ecology: fresh water, Europe.

Saccamoeba stagnicola
Saccamoeba stagnicola
Saccamoeba stagnicola, right cell with elongated nucleolus.
Saccamoeba stagnicola
Recent posts

Penardochlamys arcelloides

P. arcelloides – after Penard, 1904 Penardochlamys arcelloides  (Penard, 1904) Deflandre, 1953 Diagnosis: Colorless or very slightly yellowish envelope, bag or cauldron-shaped, very thin, chitinous,

Read More »

Reticulomyxa hannae

R. hannae, plasmodium – photomicrograph Steffen Clauss Reticulomyxa hannae Völcker and Clauß, 2020 Diagnosis: Trophozoites surrounded by a very thin mucous envelope, with slowly moving plasmodia, variable

Read More »

Velamentofex saxonensis

V. saxonensis, feeding (photomicrograph Steffen Clauss) Velamentofex saxonensis Völcker and Clauß, 2020 Diagnosis: Trophozoites ovoid, 30-95 μm, granuloreticulopodia up to 1000 μm long. with a hyaline, thin

Read More »

Velamentofex tyrolensis

V. tyrolensis (photomicrograph Steffen Clauss) Velamentofex tyrolensis Völcker and Clauß, 2020 Diagnosis: Trophozoites ovoid, 98-125 μm, with reticulopodia up to 300 μm long, with a hyaline,

Read More »

Velamentofex berolinensis

V. berolinensis Velamentofex berolinensis Völcker and Clauß, 2020 Diagnosis: Trophozoites ovoid, 50-300 µm, with a hyaline, extremely flexible, membranous test. Nuclei numerous, 11.6-16.2 µm in diameter,

Read More »

Lieberkuehniidae

 Lieberkuehniidae  Siemensma, Holzmann, Apothéloz-Perret-Gentil, Clauß, Voelcker, Bettighofer, Khanipour Roshan, Walden, Dumack and Pawlowski, 2020 Diagnosis: Multinucleate organic-walled monothalamous foraminifera. Test very flexible, elongated to broadly

Read More »