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Nymphaster
Taxonomy
Nymphaster was named by Sladen (1889) [Sepkoski's age data: K Ceno-m R Sepkoski's reference number: 1066]. It is extant.
It was assigned to Paxillosida by Sepkoski (2002); and to Goniasteridae by Sladen (1889), Spencer and Wright (1966), Clark and Downey (1992), Blake and Ettensohn (2009) and Jagt et al. (2021).
It was assigned to Paxillosida by Sepkoski (2002); and to Goniasteridae by Sladen (1889), Spencer and Wright (1966), Clark and Downey (1992), Blake and Ettensohn (2009) and Jagt et al. (2021).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1889 | Nymphaster Sladen |
| 1966 | Nymphaster Spencer and Wright p. U62 |
| 1992 | Nymphaster Clark and Downey pp. 253-254 |
| 2002 | Nymphaster Sepkoski |
| 2009 | Nymphaster Blake and Ettensohn p. 568 |
| 2021 | Nymphaster Jagt et al. p. 11 |
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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. Nymphaster Sladen 1889
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†Nymphaster albensis Geinitz 1872
†Nymphaster alseni Schulz and Weitschat 1971
†Nymphaster arduennensis Peron 1887
†Nymphaster coombii Forbes 1848
†Nymphaster dutempleanus d'Orbigny 1850
†Nymphaster fontis Breton and Vizcaïno 1997
†Nymphaster humilis Schulz and Weitschat 1975
†Nymphaster magistrorum Breton 1988
†Nymphaster marginatus Sladen 1891
†Nymphaster miocenicus Valette 1926
†Nymphaster mudzborgh Jagt et al. 2021
†Nymphaster ornatus Schulz and Weitschat 1975
†Nymphaster ornatus cottardi Breton 1988
†Nymphaster peakei Gale 1987
†Nymphaster rectus Schulz and Weitschat 1975
†Nymphaster spenceri Rasmussen 1950
†Nymphaster studlandensis Schulz and Weitschat 1975
†Nymphaster wrighti Rasmussen 1950
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A. M. Clark and M.E. Downey 1992 | A genus of Goniasteridae with form flat stellate, arm log, narrow; abactinal plates low tabulate, completely covered with granules; superomarginal plate in contact medially throughout length of arm; adambulacral furrow margin strongly angular. |