| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Heslertonia
Taxonomy
Heslertonia was named by Sarjeant. It is not extant.
It was assigned to Gonyaulacales by Taylor (1980).
It was assigned to Gonyaulacales by Taylor (1980).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1980 | Heslertonia Taylor |
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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
No ecological data are available
Age range: base of the Valanginian to the top of the Campanian or 139.80000 to 72.10000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Valanginian | Russian Federation | H. heslertonensis (65458) | |
| Santonian - Campanian | Antarctica | H. striata (150509) |