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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Astya
Taxonomy
Astya was named by Stechow (1921) [Sepkoski's age data: T Dani R]. It is extant.
It was assigned to Stylasterinae by Bayer et al. (1956); and to Stylasterina by Sepkoski (2002).
It was assigned to Stylasterinae by Bayer et al. (1956); and to Stylasterina by Sepkoski (2002).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1921 | Astya Stechow |
| 1956 | Astya Bayer et al. p. F100 |
| 2002 | Astya Sepkoski |
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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: c = class | |||||
| Reference: Kiessling 2004 | |||||
Age range: base of the Late/Upper Maastrichtian to the top of the Late/Upper Eocene or 72.20000 to 33.90000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Maastrichtian | Australia (Western Australia) | A. nielseni (123004) | |
| Danian | Denmark | A. crassus (34629) | |
| Late/Upper Eocene | Tonga | A. nielseni (70950) |