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world of amoeboid organisms

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This location is an large ditch in the nature reserve Naardermeer, in the southern part. My samples came from floating debris in springtime and bottom sediments. The exact location is: GPS 52.28133, 5.11887 (see arrow). The site is located in the centre of the Netherlands.

Remarkable species in this ditch:

Sample location indicated by arrow.
  • Last updated January 31, 2021
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Recent posts

Euglypha bryophila

March 18, 2021

Euglypha bryophila, after Brown, 1911 (L), from Ecuador (R) Euglypha bryophila  Brown, 1911 Diagnosis: (Original description) The test is very regular in form and subject

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Vernalophrys

March 10, 2021

(A) A Scenedesmus cell (arrow) is engulfed by a trophozoite. (B) Several Scenedesmus cells adhere to the surface of a plasmodium that has numerous vacuoles

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Actinosphaeridium spec.

February 24, 2021

Actinosphaeridium spec. Diagnosis: Cell surrounded by a membranous shell, with an outer mucous layer. Filopodia with granules, sometimes branching. Cell stalked. Ecology: I found this

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Euglyphidion

February 24, 2021

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

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Leptomyxa spec.

February 16, 2021

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

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Zivkovicia spec.

February 15, 2021

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

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