Microworld

world of amoeboid organisms

Menu
Centropyxiella oopyxiformis
Centropyxiella oopyxiformis, after Chardez, 1977

Centropyxiella oopyxiformis  Chardez, 1977

Diagnosis: Test elongated, dorso-ventrally compressed, fundus always smaller than the anterior part with an oval pseudostome with an irregular contour, without invagination and without collar. Ventral side flat. Test chitinous with polymorph mineral grains.

Dimensions: Length 48-50 µm; width 22-25 µm; thickness 18-20 µm; aperture 12-14 x 19-20 µm.

Ecology: Marine. Sandy beaches, North Sea, Belgium.

Remark: This species may be more related to the genus Oopyxis than to Centropyxiella.

Reference: Chardez, D., 1977. Thécamoebiens du Mésopsammon des Plages de la Mer du Nord. Rev. Verviétoise d’Hist. Nat., 34, 4-6.

 

Recent posts

Penardochlamys arcelloides

P. arcelloides – from 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 »