Microworld

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

Actinosphaeridium spec.

February 24, 2021

Actinosphaeridium spec. Actinosphaeridium spec. Diagnosis: Cell surrounded by a kind of membranous shell. Filopodia with granules, sometimes branching. Cell not stalked, at least not observed.

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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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Pontigulasia pentangulostoma

February 13, 2021

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,

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Flabellula citata

February 11, 2021

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

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