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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Cyathus formosus
Taxonomy
Cyathus formosus was named by Shi (1982).
Synonymy list
| Year | Name and author |
|---|---|
| 1982 | Cyathus formosus Shi |
| 1986 | Cyathus formosus Chen and Bao p. 111 figs. Pl 1, fig 10; pl 4, figs 4-6 |
| 1990 | Cyathus formosus Yi p. 735 figs. Pl 1, fig 7 |
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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.
†Cyathus formosus Shi 1982
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| carapace height | 1 | 0.285 | |||||
| valve height | 1 | 0.360 |
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| Source: o = order, c = class | |||||
| References: Alvarez et al. 2008, Kiessling 2004 | |||||
Age range: base of the Sakmarian to the top of the Changhsingian or 293.52000 to 251.90200 Ma
Collections (9 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Sakmarian | China (Fujian) | Cyathus formosus (95696) | |
| Kungurian | China (Jiangsu) | Cyathus formosus (142169 142184 142186 142188) | |
| Kungurian | China (Fujian) | Cyathus formosus (95703 95705 95708) | |
| Changhsingian | China (Fujian) | Cyathus formosus (121211) |