| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Ooidium
Taxonomy
Ooidium was named by Timofeev (1957). It is not extant. Its type is Ooidium rossicum.
It was assigned to Acritarcha by Andrews (1970).
It was assigned to Acritarcha by Andrews (1970).
Species
O. rossicum (type species)
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1957 | Ooidium Timofeev |
| 1970 | Ooidium Andrews |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
Diagnosis
No diagnoses are available
Measurements
No measurements are available
No ecological data are available
Age range: base of the Early/Lower Cambrian to the top of the Anisian or 538.80000 to 241.46400 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Cambrian | Finland | O. sp. (41196) | |
| Griesbachian - Anisian | Canada (Alberta) | O. barbatum (31478) |