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Cyanonema
Taxonomy
Cyanonema was named by Schopf (1968). It is considered to be a form taxon.
It was assigned to Oscillatoriaceae by Schopf (1968), Zhang (1981).
It was assigned to Oscillatoriaceae by Schopf (1968), Zhang (1981).
Species
Species lacking formal opinion data
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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. †Cyanonema Schopf 1968
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†Cyanonema attenuatum Schopf 1968
†Cyanonema inflatum Oehler 1977
†Cyanonema ligamen Zhang 1981
†Cyanonema minor Oehler 1977
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: p = phylum | |||||
| Reference: Vachard and Aretz 2004 | |||||
Age range: base of the Statherian to the top of the Nemakit-Daldynian or 1800.00000 to 525.50000 Ma
Collections (9 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Statherian | Australia (Northern Territory) | C. inflatum (227582) C. minor (227592) | |
| Calymmian | China (Hebei) | C. ligamen (227617) | |
| Tonian | Australia (Northern Territory) | C. attenuata (227452) C. attenuatum (227538) | |
| Tonian | Australia (South Australia) | C. sp. (238051) | |
| Tonian | Canada (Yukon) | C. inflatum (148720) | |
| Nemakit-Daldynian | China (Xinjiang) | C. majus (85502) | |
| Nemakit-Daldynian | China (Yunnan) | C. inflatum (227763) |