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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Tanyosphaeridium isocalamus
Taxonomy
Tanyosphaeridium isocalamus was named by Cookson and Eisenak (1958). It is not extant.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1958 | Tanyosphaeridium isocalamus Cookson and Eisenak |
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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.
†Tanyosphaeridium isocalamus Cookson and Eisenak 1958
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
No ecological data are available
Age range: base of the Late/Upper Tithonian to the top of the Early/Lower Valanginian or 150.80000 to 136.40000 Ma
Collections (5 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Tithonian | Greenland | Tanyosphaeridium isocalamus (66543) | |
| Early/Lower Berriasian | Greenland | Tanyosphaeridium isocalamus (66549 66550) | |
| Late/Upper Berriasian | Greenland | Tanyosphaeridium isocalamus (66554) | |
| Early/Lower Valanginian | Greenland | Tanyosphaeridium isocalamus (66557) |