| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Sigmopollis
Taxonomy
Sigmopollis was named by Hedlund (1965). It is not extant.
It was assigned to Cyanophyta by Krutzsch and Pacltová (1986).
It was assigned to Cyanophyta by Krutzsch and Pacltová (1986).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1965 | Sigmopollis Hedlund |
| 1986 | Sigmopollis Krutzsch and Pacltová |
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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
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| Source: p = phylum | |||||
| Reference: Vachard and Aretz 2004 | |||||
Age range: base of the Late/Upper Campanian to the top of the Eocene or 83.60000 to 33.90000 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Campanian | Canada (Alberta) | S. hispidus (22655 36264 55352) | |
| Early/Lower Maastrichtian | USA (Alaska) | S. psilatus (51889) | |
| Eocene | USA (Louisiana) | S. spp. (11092 33762) |