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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Cyrolexis zhangi
Taxonomy
Cyrolexis zhangi was named by Waterhouse (2004). Its type specimen is Nanjing Institute, 23404 and is a 3D body fossil. Its type locality is Naxing Section JSB2, Nyalam County, which is in a Wuchiapingian marine horizon in the Selong Formation of China.
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1976 | Stenoscisma timorensis Zhang and Jin |
| 2004 | Cyrolexis zhangi Waterhouse |
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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.
†Cyrolexis zhangi Waterhouse 2004
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Invalid names: Stenoscisma timorensis Zhang and Jin 1976 [replaced]
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 2 | 17.5 | 16.4 | 18.6 | 17.5 | 1.56 |
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| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004 | |||||
Age range: Wuchiapingian or 259.51000 to 254.14000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Wuchiapingian | China (Xizang) | Stenoscisma timorensis (type locality: 121587) |