Diploneis oculata (Breb.)
Length:17

 Width:7

Costae:22+






























Collection 1245

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Authority information

(Breb.)Cl., K. Svenska Vet.-Akad. Handl., Ny Foljd, 26(2):92. 1894

Other images


This image was taken utilizing DIC for the specimen above.



These are another specimen of Diploneis oculata . One utilizes regular methods of capturing and the other utilizes dic.








More information


This taxon is characterized by a linear-elliptical valve. It has indistinct and narrow longitudinal canals. The costae are slightly radiate to parallel. It is very similar to Diploneis marginestriata. The striae are usually fine and parallel. It has a narrower longitudinal cananl than Diploneis marginestriata (Patrick and Reimer 1966).


  • Type Locality
    Middle Atlantic States, Southeastern States, East Central States, and California (Patrick and Reimer 1966).
  • Ecology
    This taxon if found in fresh water. The water has variable mineral content (Patrick and Reimer 1966).

    Size ranges and morphology

  • Length is 10 to 20 micrometers (Patrick and Reimer 1966).
  • Width is 5 to 8 micrometers (Patrick and Reimer 1966).
  • Costae are 20 to 28 in 10 micrometers (Patrick and Reimer 1966).
  • Alveoli are not distincte in 18 micrometers (Patrick and Reimer 1966).