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Nymphaster studlandensis
Taxonomy
Chomataster studlandensis was named by Schulz and Weitschat (1975). It is not extant. Its type specimen is Natural History Museum, London, collection Wright n°9533.
It was recombined as Nymphaster studlandensis by Gale (1987), Gale (1989), Breton (1992), Jagt (1999), Jagt (2000), Jagt et al. (2021).
It was recombined as Nymphaster studlandensis by Gale (1987), Gale (1989), Breton (1992), Jagt (1999), Jagt (2000), Jagt et al. (2021).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1975 | Chomataster studlandensis Schulz and Weitschat pp. 278-279 figs. pl. 31, fig. 4-6 |
| 1987 | Nymphaster studlandensis Gale pp. 163-164 figs. fig. 3.2; pl. 4, fig. 11-15; pl. 5, fig. |
| 1989 | Nymphaster studlandensis Gale pp. 283, 286 figs. fig. 2, 6 |
| 1992 | Nymphaster studlandensis Breton pp. 286-287 figs. fig. 120 |
| 1999 | Nymphaster studlandensis Jagt figs. pl. 2, fig. 8 |
| 2000 | Nymphaster studlandensis Jagt pp. 416-417 figs. pl. 13, fig. 7-8, 16-20 |
| 2021 | Nymphaster studlandensis 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 studlandensis Schulz and Weitschat 1975
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A. S. Gale 1987 | Six superomarginals per interbrachial arc. Arc straight. Marginals cuneate at the arm base. External face of the median superomarginal plates deeply oblique, abactinal and abradial sides forming a blunt angular. First superomarginal slightly inflated abactinally. Second superomarginal plate highly asymmetrical. |
Measurements
No measurements are available
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| Source: f = family, c = class, p = phylum | |||||
| References: Blake 1990, Aberhan et al. 2004, Aberhan 1992 | |||||
Age range: Late/Upper Campanian or 83.60000 to 72.20000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Campanian | Belgium (Liege) | Nymphaster studlandensis (32147 32150) | |
| Late/Upper Campanian | France | Nymphaster studlandensis (59676) |