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Thoracosphaerales
Taxonomy
Thoracosphaerales was named by Tangen et al. (1982) [Tangen in Tanger et al., 1982]. It is extant.
It was assigned to Dinophyceae by Tangen et al. (1982).
It was assigned to Dinophyceae by Tangen et al. (1982).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1982 | Thoracosphaerales Tangen et al. |
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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.
Or. Thoracosphaerales Tangen et al. 1982
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
No ecological data are available
Age range
Maximum range based only on fossils: base of the Campanian to the top of the Burdigalian or 83.60000 to 15.98000 Ma
Minimum age of oldest fossil (stem group age): 72.2 Ma
Minimum age of oldest fossil (stem group age): 72.2 Ma
Collections (17 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Cretaceous | Argentina (Buenos Aires) | Thoracosphaera sp. (236900) | |
| Campanian | Argentina (Buenos Aires) | Thoracosphaera sp. (236901) | |
| Maastrichtian | Argentina (Buenos Aires) | Thoracosphaera sp. (236899) | |
| Maastrichtian | Argentina (Rio Negro) | Thoracosphaera heimii (237078 237646) | |
| Danian | Argentina (Buenos Aires) | Thoracosphaera sp. (236898) | |
| Danian | USA (Missouri) | Thoracosphaera spp. (231964 232026) | |
| Early/Lower Paleocene | Argentina (Santa Cruz) | Thoracosphaera heimii (232044 232045 232046) | |
| Selandian | Argentina (Santa Cruz) | Thoracosphaera heimii (237046) | |
| Middle Eocene | USA (California) | Thoracosphaera sp. (206538 206539 206540) | |
| Priabonian | Tonga | Thoracosphaera sp. (43006) | |
| Burdigalian | Azerbaijan | Thoracosphaera heimi (116629) |