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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Hemiaster (Holanthus)
Taxonomy
Hemiaster (Holanthus) was named by Lambert and Thiéry (1924). It is extant.
It was assigned to Hemiaster by Lambert and Thiéry (1924) and Fischer (1966).
It was assigned to Hemiaster by Lambert and Thiéry (1924) and Fischer (1966).
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1924 | Hemiaster (Holanthus) Lambert and Thiéry p. 505 |
| 1966 | Hemiaster (Holanthus) Fischer p. U559 |
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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.
Subg. Hemiaster (Holanthus) Lambert and Thiéry 1924
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class, p = phylum | |||||
| References: Kiessling 2004, Aberhan 1992 | |||||
Age range: base of the Burdigalian to the top of the Langhian or 20.44000 to 13.82000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Burdigalian - Langhian | Italy (Sardinia) | Holanthus sp. (187430 187431) |