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Nymphaster ornatus
Taxonomy
Chomataster ornatus was named by Schulz and Weitschat (1975). Its type specimen is Holotype SGPIH 1766 and is not a trace fossil.
It was recombined as Nymphaster ornatus by Breton (1992) and Jagt et al. (2021).
It was recombined as Nymphaster ornatus by Breton (1992) and Jagt et al. (2021).
Subspecies
Sister species lacking formal opinion data
Synonymy list
Year | Name and author |
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1975 | Chomataster ornatus Schulz and Weitschat pp. 276-277 figs. pl. 30, fig. 1-5 |
1988 | Chomataster ornatus Breton pp. 21-25 figs. fig. 14-16 |
1992 | Nymphaster ornatus Breton pp. 281-286 figs. fig. 117-119; pl. 34, fig. 1-6 |
2021 | Nymphaster ornatus Jagt et al. p. 3 |
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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.
†Nymphaster ornatus Schulz and Weitschat 1975
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†Nymphaster ornatus cottardi Breton 1988
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Diagnosis
Reference | Diagnosis | |
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M. G. Schulz and W. Weitschat 1975 | 10 superomarginal plates per interradius. Interbrachial arc rounded with enlarged wedge-shaped plate at the base of arms. Median superomarginals wide and relatively high, with oblical regularly rounded outer face. Abactinal field domed in the disc and the base of the arms. Granule-pits relatively coarse. |
Measurements
No measurements are available
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Source: f = family, c = class, p = phylum | |||||
References: Blake 1990, Aberhan 1992, Aberhan et al. 2004 |
Age range: base of the Late/Upper Coniacian to the top of the Early/Lower Santonian or 89.30000 to 83.50000 Ma
Collections (2 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Late/Upper Coniacian - Early/Lower Santonian | France | Nymphaster ornatus (59569 59675) |