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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 April 01, 2019
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Recent posts

Penardochlamys arcelloides

May 24, 2020

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,

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Haplomyxa spec

May 13, 2020

Fig. 1: Main cell body of specimen A, partly hidden by debris Haplomyxa sp. Three specimens were observed in a Petri dish, along with two

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Lachmannia spec.

May 10, 2020

“Lachmannia” spec., body length 127 µm “Lachmannia” spec. I found two cells, size about 125 µm when ovoid, with an organic-walled membranous test and a

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Diplophrys spec. 7

May 1, 2020

Diplophrys spec., with three tufts of filopodia Diplophrys spec. These cells are granular, never seen before. I found them in a sample from the Bert

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Psammonobiotus spec.

April 13, 2020

I found this specimen in a sample from the Oppad, near Hilversum, 2020. It is similar to Psammonobiotus linearis, but lacks a clear spine at

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Sphenoderia compressa

March 26, 2020

Sphenoderia compressa, after Badewitz, 2002 Sphenoderia compressa Badewitz, 2002 Diagnosis: Test ovoid, oval in cross section, hyaline, covered with relatively small, oval, rather irregularly arranged

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