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Calyptothrix annulata
Taxonomy
Calyptothrix annulata was named by Schopf (1968). It is considered to be a form taxon. Its type specimen is Harvard Univ. 58454; stage coordinates 20.4 x 107.6 and is a 3D body fossil. Its type locality is North of Ross River Tourist Camp, which is in a Tonian peritidal chert in the Bitter Springs Formation of Australia. It is the type species of Calyptothrix.
Synonymy list
| Year | Name and author |
|---|---|
| 1968 | Calyptothrix annulata Schopf p. 669 figs. Pl 78, figs 5-8 |
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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.
†Calyptothrix annulata Schopf 1968
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: p = phylum | |||||
| Reference: Vachard and Aretz 2004 | |||||
Age range: Tonian or 1000.00000 to 720.00000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Tonian | Australia (Northern Territory) | Calyptothrix annulata (type locality: 227452 227538) | |
| Tonian | Canada (Yukon) | Calyptothrix annulata (227529 227536) |