Frenzelina minima
Frenzelina minima, Crailoo

Frenzelina minima Hoogenraad, 1910

Diagnosis: test membranous, hemispherical or nearly spherical, with an more or less open ventral face; very small mineral grains attached to the membrane; test in dorsal view usually elliptical; plasmabody broad-elliptical  or more or less kidney-shaped; fine filopodia; nucleus vesicular with central nucleolus.

Dimensions: test 17-26 µm; body 12-17 µm.

Ecology: between waterplants, in Sphagnum and on debris; the Netherlands.

Frenzelina minima
Recent posts

Difflugia symoensi

Difflugia symoensi, from Chardez, 1964 Difflugia symoensi  Chardez, 1964 Diagnosis: Test bag-shaped, with pseudostome almost as wide as the width of the test; fundus rounded.

Read More »

Difflugia tenuis

Difflugia tenuis, from Penard, 1890 Difflugia tenuis  (Penard, 1890) Chardez, 1983 Diagnosis: Test cylindrical or slightly pyriform, fundus often more angular then rounded, very transparent

Read More »

Difflugia gigantea

Difflugia gigantea (left) compared with other species to show its size Difflugia gigantea Schlumberger, 1845 Diagnose: test ovoid, elongated, narrowed anteriorly, almost pyriform, sometimes slightly

Read More »

Difflugia masaruzzii

  Difflugia manicata, test and nucleus – after Van Oye, 1958   Difflugia masaruzzii  Van Oye, 1958 Diagnosis: Test more or less ovoid with lateral

Read More »