Dicellula is a genus of green algae in the family Chlorellaceae.

[2] Dicellula geminata consists mostly of 2-celled (occasionally 4-celled or single-celled) coenobia.

The cells are oval to long-oval, about 8–22 × 5–12 μm, attached side-by-side.

Cells are uninucleate (with one nucleus), with two (sometimes one or up to eight) chloroplasts each containing a single pyrenoid.

[3][1] Asexual reproduction occurs by the formation of autospores arranged into coenobia; they are released by the gelatinization of the parental cell wall.