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Chondronia ningula
Taxonomy
Chondronia ningula was named by Cooper and Grant (1976). Its type specimen is USNM 153386c, a shell (Articulated shell), and it is not a trace fossil.
Synonymy list
| Year | Name and author |
|---|---|
| 1976 | Chondronia ningula Cooper and Grant p. 2855 figs. Pl 765, figs 21-39 |
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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.
†Chondronia ningula Cooper and Grant 1976
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 6 | 2.69 | 2.10 | 3.20 | 2.70 | 0.376 |
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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 Artinskian to the top of the Kungurian or 290.10000 to 272.30000 Ma
Collections (5 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Artinskian | USA (Texas) | Chondronia ningula (43565) | |
| Kungurian | USA (Texas) | Chondronia ningula (43496 43497 43505 75920) |