Microworld

world of amoeboid organisms

Menu
Sphenoderia lenta
Sphenoderia lenta
S. lenta, 43 µm

Sphenoderia lenta Schlumberger, 1845

Diagnosis: shell in side-view spherical or elliptical, not compressed, in cross-section circular; plate scales circular or broad-elliptical. Pseudostome a narrow slit, surrounded by a thin hyaline collar, with one side V-shaped, covered with minute scales.

Dimensions: length 30-70 µm

Ecology: in wet Sphagnum and other mosses. Also in detritus without Sphagnum-contact.

Remarks: rather common.

Sphenoderia lenta
Sphenoderia lenta
Sphenoderia lenta, 70 µm
Sphenoderia lenta - Ferry Siemensma
Sphenoderia lenta, with zoochlorellae
Both shells 61 µm long, Lolo Pass, Montana, USA
Shell from Rotes Wasser, Germany; pseudostome
Shell from Rotes Wasser, Germany
Sphenoderia lenta in division
Sphenoderia lenta
Sphenoderia lenta
Sphenoderia lenta, left: with three rows of scales visible; right: notice the small white spots on the collar, which are small scales.
Sphenoderia lenta
Sphenoderia lenta
S. lenta, SEM image: from Ogden and Hedley, 1980 (l.) and Chatelain et al, 2013 (r.)
Sphenoderia lenta
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 »