| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Cycliocyrillium
Discussion
Vase shaped microfossil
Taxonomy
Cycliocyrillium was named by Porter et al. (2003). It is considered to be a form taxon. Its type is Cycliocyrillium simplex.
It was assigned to Eucarya by Porter et al. (2003); and to Eukarya by Cohen et al. (2017).
It was assigned to Eucarya by Porter et al. (2003); and to Eukarya by Cohen et al. (2017).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 2003 | Cycliocyrillium Porter et al. p. 415 figs. Figure 6.1–6.9 |
| 2017 | Cycliocyrillium Cohen et al. p. 697 |
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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. †Cycliocyrillium Porter et al. 2003
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†Cycliocyrillium rootsi Cohen et al. 2017
†Cycliocyrillium simplex Porter et al. 2003
†Cycliocyrillium torquata Porter 2003
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| P.A. Cohen et al. 2017 | Bulbous to pyriform VSMs having a circular aperture either flush with the test or associated with a narrow collar or short uncurved neck, not exceeding one- tenth of the total length of the specimen; angle between the apertural plane and the aboral axis ~90°. |
Measurements
No measurements are available
No ecological data are available
Age range: Tonian or 1000.00000 to 850.00000 Ma
Collections (5 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Tonian | USA (Arizona) | C. simplex, C. torquata (238047) | |
| Neoproterozoic | USA (Arizona) | C. simplex, C. torquata (230323) | |
| Neoproterozoic | Canada (Yukon) | C. rootsi, C. simplex (230322) C. rootsi, C. simplex, C. torquata (230320) C. simplex, C. torquata (230321) |