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Compsaster
Taxonomy
Compsaster was named by Worthen and Miller (1883) [Sepkoski's age data: D Emsi-l C Serp-l]. Its type is Compsaster formosus. It is the type genus of Compsasteridae. It was considered monophyletic by Blake and Hagdorn (2003).
It was assigned to Uractinida by Sepkoski (2002); and to Compsasteridae by Schuchert (1915), Spencer and Wright (1966), Blake (2002), Blake and Hagdorn (2003), Blake (2018).
It was assigned to Uractinida by Sepkoski (2002); and to Compsasteridae by Schuchert (1915), Spencer and Wright (1966), Blake (2002), Blake and Hagdorn (2003), Blake (2018).
Species
C. formosus (type species), C. spiniger
Synonymy list
| Year | Name and author |
|---|---|
| 1883 | Compsaster Worthen and Miller p. 327 |
| 1915 | Compsaster Schuchert p. 192 |
| 1966 | Compsaster Spencer and Wright p. U74 |
| 2002 | Compsaster Blake p. 364 |
| 2002 | Compsaster Sepkoski |
| 2003 | Compsaster Blake and Hagdorn p. 34 |
| 2018 | Compsaster Blake p. 50 |
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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.
G. †Compsaster Worthen and Miller 1883
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†Compsaster formosus Worthen and Miller 1883
†Compsaster spiniger Wright 1880
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| D. B. Blake 2002 | As for the family, by monotypy |
Measurements
No measurements are available
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| Source: f = family, c = class, p = phylum | |||||
| References: Aberhan 1992, Blake 2002, Aberhan et al. 2004 | |||||
Age range: base of the Early/Lower Emsian to the top of the Pendleian or 410.62000 to 326.90000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Emsian | Germany | C. petaliformis (26904) | |
| Chesterian | USA (Illinois) | C. formosus (20) | |
| Pendleian | USA (Illinois) | C. formosus (90821) |