| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Cystaster
Taxonomy
Cystaster was named by Hall (1871) [Sepkoski's age data: O Cara-m O Ashg-m Sepkoski's reference number: 318]. It is not extant.
It was assigned to Hemicystitidae by Regnéll (1966); and to Isorophida by Sepkoski (2002).
It was assigned to Hemicystitidae by Regnéll (1966); and to Isorophida by Sepkoski (2002).
Is something missing? Join the Paleobiology Database and enter the data
|
|
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.
G. †Cystaster Hall 1871
show all | hide all
Diagnosis
No diagnoses are available
Measurements
No measurements are available
|
|
||||
|
|
||||
|
|
||||
|
|||||
|
|
||||
|
|
||||
|
|
||||
| Source: g = genus, c = class, p = phylum | |||||
| References: Aberhan et al. 2004, Hendy et al. 2009, Aberhan 1992 | |||||
Age range: base of the Edenian to the top of the Maysvillian or 451.00000 to 449.60000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Trentonian | Canada (Ontario) | C. sp. (401) | |
| Edenian | USA (Ohio) | C. sp. (384) | |
| Maysvillian | USA (Ohio) | C. sp. (388) |