| Name | From | To | Age range |
|---|---|---|---|
| Pediastrum duplex | Late Cretaceous | Miocene |
|
| Pediastrum diffusus | Late Paleocene | Late Miocene |
|
| Pediastrum difforme | Tertiary | Miocene |
|
| Pediastrum delicatus | Eocene | Eocene |
|
| Pediastrum delicatites | Eocene | Middle Miocene |
|
| Pediastrum compactum | Late Paleocene | Late Miocene |
|
| Pediastrum coenobia | Senonian | Senonian |
|
| Pediastrum clathratum | Early Tertiary | Early Tertiary |
|
| Pediastrum boryanum | Barremian | Pleistocene |
|
| Pediastrum biradiatum | Early Tertiary | Early Tertiary |
|
| Pediastrum bimammilosum | Early Tertiary | Early Tertiary |
|
| Pediastrum bifurcatum | Tertiary | Early Miocene |
|
| Pediastrum bifidites | Paleocene | Middle Miocene |
|
| Pediastrum bidentulum | Late Oligocene | Late Oligocene |
|
| Pediastrum bellulum | Tertiary | Early Miocene |
|
| Pediastrum araneosam | Early Tertiary | Early Tertiary |
|
| Pediastrum angulatus | Late Maestrichtian | Eocene |
|