Difflugia exigua
Difflugia exigua, from Schönborn, 1966

Difflugia exigua  Schönborn, 1966

Diagnosis: Test cylindrical, elongated, transparent, rounded in cross section, the sides of the fundus almost parallel to each other, only towards the aperture slightly narrowing. Pseudostome round. Test sparingly covered with mineral grains.

Dimensions: Length 30 µm, width 12 µm.

Ecology: Freshwater. Sweden.

Reference: Schönborn W. 1966. Untersuchungen über die Testaceen Schwedisch-Lapplands. Ein Beitrag zur Systematik und Okologie der beschalten Rhizopoden. Limnologica. Vol. 4. No.3. P.517-559.

Recent posts

Cryptodifflugia key 2

1 Shell is distinctly compressed laterally 2 – Shell is not compressed or slightly compressed laterally 7 2 Oval aperture C. compressa angustioris – Circular

Read More »

Campascus cyphoderiformis

Campascus cyphoderiformis – After Chardez et Gaspar, 1984 Campascus cyphoderiformis  Chardez et Gaspar, 1984 Diagnosis: Test very clear, hyaline, consisting of endogenous scales of 1.2

Read More »

Campascus insterstitialis

Campascus interstitialis – After Golemansky, 1981 Campascus interstitialis  Golemansky, 1981 Diagnosis: Test elongated, in the shape of a bottle with a curved, colorless, transparent and

Read More »

Campascus triqueter

Campascus triqueter – After Penard, 1899 and 1891 Campascus triqueter  Penard, 1899 Diagnosis: Test brownish or yellowish, build of organic material embedded with a large

Read More »

Campascus bidens

Campascus bidens – After Krascheninnikov, 1923 Campascus bidens Krascheninnikov, 1923 Diagnosis: Test as C. minutus, but with, in ventral view, two small tooth-like projections, facing

Read More »

Campascus dentatus

Campascus dentatus – After Edmondson and Kingman, 1913 Campascus dentatus Edmondson and Kingman, 1913 Diagnosis: Shell of yellowish, chitinoid material similar in general outline to

Read More »