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Callispirina rotundella
Taxonomy
Callispirina rotundella was named by Xu and Grant (1994). Its type specimen is USNM 456163, a shell (Articulated shell), and it is a 3D body fossil. Its type locality is Huangzhishan section, undiv Changxing Fm, Xuzhou City, which is in a Changhsingian marine limestone in the Changxing Formation of China.
Synonymy list
| Year | Name and author |
|---|---|
| 1994 | Callispirina rotundella Xu and Grant p. 47 figs. 36(24-30) |
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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.
†Callispirina rotundella Xu and Grant 1994
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Nesnidal et al. 2013 | |||||
Age range: base of the Wuchiapingian to the top of the Changhsingian or 259.90000 to 252.17000 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Wuchiapingian | China (Guangdong) | Spiriferellina multiplicata (95678 109779 109780) | |
| Changhsingian | China (Guangdong) | Spiriferellina multiplicata (95679) | |
| Changhsingian | China (Zhejiang) | Callispirina rotundella (type locality: 50028) | |
| Changhsingian | China (Sichuan) | Callispirina rotundella (50030) |