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Trigonodus yunnanensis
Taxonomy
Trigonodus yunnanensis was named by Guo (1985). Its type specimen is IVy 0206, a valve (Right valve, internal mold), and it is a mold. Its type locality is Shanglan, Jianchuan County, which is in an Anisian marine horizon in the Shanglan Formation of China.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1985 | Trigonodus yunnanensis Guo p. 185 figs. Pl 17, figs 2,3 |
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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.
†Trigonodus yunnanensis Guo 1985
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| valve height | 2 | 12.5 | 11.6 | 13.6 | 12.6 | 1.47 |
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| Source: o = order, c = class | |||||
| Reference: Aberhan et al. 2004 | |||||