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Onychaster
Taxonomy
Onychaster was named by Meek and Worthen (1868) [Sepkoski's age data: D Fame C Vise-l]. Its type is Onychaster flexilis.
It was assigned to Onychasteridae by Schuchert (1915), Spencer (1927), Owen (1965), Spencer and Wright (1966), Haude and Thomas (1983); and to Phrynophiurida by Sepkoski (2002).
It was assigned to Onychasteridae by Schuchert (1915), Spencer (1927), Owen (1965), Spencer and Wright (1966), Haude and Thomas (1983); and to Phrynophiurida by Sepkoski (2002).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1868 | Onychaster Meek and Worthen p. 526 |
| 1915 | Onychaster Schuchert pp. 268-270 |
| 1927 | Onychaster Spencer pp. 332-339 |
| 1965 | Onychaster Owen p. 557 |
| 1966 | Onychaster Spencer and Wright p. U90 |
| 1983 | Onychaster Haude and Thomas p. 138 |
| 2002 | Onychaster 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.
G. †Onychaster Meek and Worthen 1868
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†Onychaster asper Miller 1892
†Onychaster barrisi Hall 1861
†Onychaster flexilis Meek and Worthen 1868
†Onychaster strimplei Bjork et al. 1968
†Onychaster velbertensis Haude and Thomas 1983
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class, p = phylum | |||||
| References: Spencer and Wright 1966, Aberhan et al. 2004, Aberhan 1992 | |||||
Age range: base of the Late/Upper Famennian to the top of the Brigantian or 365.20000 to 330.30000 Ma
Collections (5 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Famennian | Germany (Nordrhein-Westfalen) | O. velbertensis (38302) | |
| Late/Upper Famennian | Germany (Nordrhein-Westfalen) | O. velbertensis (127754) | |
| Osagean | USA (Indiana) | O. flexilis (180968) | |
| Chadian - Arundian | USA (Indiana) | O. flexilis (699) | |
| Brigantian | USA (Alabama) | O. sp. (2710) |