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Orygmatosphaeridium
Taxonomy
Orygmatosphaeridium was named by Timofeev (1959). It is not extant. Its type is Orygmatosphaeridium ruminatum.
It was assigned to Acritarcha by Andrews (1970), Maithy (1975) and Maithy and Babu (1993).
It was assigned to Acritarcha by Andrews (1970), Maithy (1975) and Maithy and Babu (1993).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1959 | Orygmatosphaeridium Timofeev |
| 1970 | Orygmatosphaeridium Andrews |
| 1975 | Orygmatosphaeridium Maithy p. 143 |
| 1993 | Orygmatosphaeridium Maithy and Babu |
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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.
G. †Orygmatosphaeridium Timofeev 1959
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†Orygmatosphaeridium plicatum Maithy and Shukla 1977
†Orygmatosphaeridium ruminatum Timofeev 1959
†Orygmatosphaeridium trizonatum Maithy 1975
†Orygmatosphaeridium vulgarum Maithy 1975
Diagnosis
No diagnoses are available