| Name | From | To | Age range |
|---|---|---|---|
| Ooidium | Precambriam | Paleozoic |
|
| Ooidium ventricosum | Precambriam | Potsdamian |
|
| Ooidium apertum | Algonkian | Algonkian |
|
| Ooidium sp | Late Precambrian | Ludlovian |
|
| Ooidium sp. Ouya.et al,1974 | Late Proterozoic | Cambrian |
|
| Ooidium fibrillum | Late Proterozoic | Cambrian |
|
| Ooidium corollatum | Late Proterozoic | Cambrian |
|
| Ooidium strigatum | Late Proterozoic | Cambrian |
|
| Ooidium sp.1 Faiz.,1998 | Middle Riphean | Middle Riphean |
|
| Ooidium sp.2 Faiz.,1998 | Middle Riphean | Middle Riphean |
|
| Ooidium sp.2 | Cambrian | Early Llanvirnian |
|
| Ooidium mordidum | Early Paleozoic | Llanvirnian |
|
| Ooidium bicorne | Early Cambrian | Early Cambrian |
|
| Ooidium rossicum | Early Paleozoic | Early Gothlandian |
|
| Ooidium sp. Zang,1992 | Early Cambrian | Early Cambrian |
|
| Ooidium sablincaense | Cambrian | Late Cambrian |
|
| Ooidium revinium | Early Paleozoic | Early Paleozoic |
|