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Hustedia orbicostata
Taxonomy
Hustedia orbicostata was named by Xu and Grant (1994). It is a 3D body fossil. Its type locality is Banzhuyuan Section, Nantong County, which is in a Changhsingian marine limestone in the Changxing Formation of China.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1994 | Hustedia orbicostata Xu and Grant p. 60 figs. 49,50.1-50.23 |
| 2009 | Hustedia orbicostata Chen p. 175 |
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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.
†Hustedia orbicostata Xu and Grant 1994
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 2 | 6.10 | 6.10 | 6.10 | 6.10 | - |
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| Source: subo = suborder, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004 | |||||
Age range: Changhsingian or 254.14000 to 251.90200 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Changhsingian | China (Zhejiang) | Hustedia orbicostata (50028 120776) | |
| Changhsingian | China (Guizhou) | Hustedia orbicostata (105173) | |
| Changhsingian | China (Sichuan) | Hustedia orbicostata (type locality: 94953) | |
| Changhsingian | China (Chongqing) | Hustedia orbicostata (50033 120797) |