Microworld

world of amoeboid organisms

Menu
Ditrema
Ditrema spec.with numerous extrusomes very close to each other

Ditrema De Saedeleer, 1934

Diagnosis: Shell hyaline, small, with one side fastened to the substrate; outline circular, irregular. Shell with two opposite apertures, each with a short neck. Pseudopodia granular, fine, extending along the substrate. Nucleus globular with a central nucleolus.

One described species: Ditrema mukrous De Saedeleer, 1934.

Ditrema longicollis
Ditrema longicollis, the same as above
Ditrema mukrous
Ditrema spec.
Ditrema mukrous - Ferry Siemensma
Compared with the specimen in the first photomicrograph there is much more distance between the granules
Ditrema mukrous
Ditrema mukrous
Recent posts

Euglyphidion

Euglyphidion enigmaticum – after Bonnet, 1960 Genus Euglyphidion Bonnet, 196 Diagnosis: Shell hyaline, ovoid, pseudostome circular or slightly elliptical. Shell loosely covered with two types of

Read More »

Leptomyxa spec.

Leptomyxa sp., slowly retracting in response to the light of the microscope Leptomyxa sp. Diagnose: This is a very large amoeba which I found in

Read More »

Zivkovicia spec.

Zivkovicia spec., 200 µm long; the right image is viewed through the aperture Zivkovicia spec.  Diagnosis: Shell pyriform, circular in oral view, with a clear

Read More »

Pontigulasia pentangulostoma

P. pentangulostoma, after Quin et al., 2008 Pontigulasia pentangulostoma Quin, Y., Xei, S., Gu, Y. and Zhou, X., 2008 Diagnosis: Shell is brown, laterally uncompressed,

Read More »

Flabellula citata

Flabellula citata, from Dykova et al., 2008 Flabellula citata Schaeffer, 1926 Diagnosis: Length in locomotion 15-75 µm; width 25-55 µm. Shape very variable, from a

Read More »

Puytoracia bonnetti

Puytoracia bergeri, from Nicholls, 2006 Puytoracia bergeri   Nicholls, 2006 Diagnosis: Shell an oblong flattened cylinder, with rounded anterior and posterior ends. An invaginated pseudostome

Read More »