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Juxathyris bisulcatum
Taxonomy
Spirigerella bisulcatum was named by Lu (1982). It is a 3D body fossil. Its type locality is Gaoqiao Section F112, Mianzhu County, which is in a Wordian shallow subtidal limestone in the Maokou Formation of China.
It was recombined as Juxathyris bisulcatum by Clapham (2015).
It was recombined as Juxathyris bisulcatum by Clapham (2015).
Synonymy list
| Year | Name and author |
|---|---|
| 1982 | Spirigerella bisulcatum Lu p. 610 figs. Pl 2, figs 78,28,34,35 |
| 1985 | Spirigerella bisulcatum Jin and Fang figs. Pl 2, figs 14-17 |
| 2015 | Juxathyris bisulcatum Clapham |
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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.
†Juxathyris bisulcatum Lu 1982
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| shell height | 1 | 14.5 |
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| Source: subo = suborder, c = class, p = phylum, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Nesnidal et al. 2013 | |||||
Age range: base of the Artinskian to the top of the Wordian or 290.10000 to 264.28000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Artinskian | China (Yunnan) | Spirigerella bisulcatum (132456) | |
| Wordian | China (Sichuan) | Spirigerella bisulcatum (type locality: 107435) |