Difflugia ogdeni  Snegovaya & Alekperov, 2005

Diagnosis: Shell bag shaped. Pseudostome wide, flat, wide invaginated, surrounded by a very large (20-30 µm) collar. Shell covered with mineral grains of different sizes.

Dimensions: Snegovaya and Alekperov (2005): Shell length 100-140 µm; width 90-100 µm; apertural diameter 50-60 µm.

Habitat: Freshwater; Azerbaijan.