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Ceratobairdia xiaobaensis
Taxonomy
Ceratobairdia xiaobaensis was named by Xie (1989). It is a 3D body fossil. Its type locality is Xiaoba section, Anxian county, bed 20, which is in a Changhsingian carbonate limestone in the Changxing Formation of China.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1989 | Ceratobairdia xiaobaensis Xie p. 213 figs. Pl 34, figs 13,14 |
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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.
†Ceratobairdia xiaobaensis Xie 1989
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| carapace height | 1 | 0.380 |
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| Source: o = order, c = class | |||||
| References: Jell and Adrain 2002, Kiessling 2004 | |||||
Age range: Changhsingian or 254.14000 to 251.90200 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Changhsingian | China (Sichuan) | Ceratobairdia xiaobaensis (type locality: 148500) |