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Taxonomy
Yananoconcha minor was named by Yu and Zhang (1980). It is not extant. Its type specimen is Institute of Geology, Chinese Academy of Geosciences, Beijing, M0276. Its type locality is Wenjiagou, Yan'an, which is in a Jurassic lacustrine horizon in the Yan'an Formation of China. It is the type species of Yananoconcha.
Synonymy list
| Year | Name and author |
|---|---|
| 1980 | Yananoconcha minor Yu and Zhang |
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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.
†Yananoconcha minor Yu and Zhang 1980
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class | |||||
| Reference: Aberhan et al. 2004 | |||||
Age range: Middle Jurassic or 174.70000 to 161.50000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Middle Jurassic | China (Shaanxi) | Yananoconcha minor (type locality: 201022) |