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Cavellina nipponica
Taxonomy
Cavellina nipponica was named by Ishizaki (1964). Its type specimen is IGPS 85790, a carapace, and it is a 3D body fossil. Its type locality is Iwaizaki, Member G, Hashikami Village, Motoyoshi County, Miyagi Prefecture, which is in a Capitanian carbonate limestone in the Iwaizaki Formation of Japan.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1964 | Cavellina nipponica Ishizaki p. 157 figs. Pl 17, figs 9-11; text-figs 10,11 |
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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.
†Cavellina nipponica Ishizaki 1964
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| carapace height | 2 | 0.595 | 0.590 | 0.600 | 0.595 | 0.007 | |
| valve height | 1 | 0.460 | - | - | - | - |
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Jell and Adrain 2002 | |||||
Age range: Capitanian or 264.28000 to 259.51000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Capitanian | Japan | Cavellina nipponica (type locality: 109844) |