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Trachyspira heshanensis
Taxonomy
Trachyspira heshanensis was named by Pan and Erwin (2002). Its type specimen is USNM 127623, a shell, and it is a 3D body fossil. Its type locality is Matan M47, Heshan, which is in a Changhsingian carbonate limestone in the Heshan Formation of China.
Synonymy list
| Year | Name and author |
|---|---|
| 2002 | Trachyspira heshanensis Pan and Erwin p. 25 figs. 12.11 - 12.14 |
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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.
†Trachyspira heshanensis Pan and Erwin 2002
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 2 | 9.04 | 7.50 | 10.9 | 9.20 | 2.40 |
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| Source: c = class | |||||
| Reference: Kiessling 2004 | |||||
Age range: Changhsingian or 254.17000 to 252.17000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Changhsingian | China (Guangxi) | Trachyspira heshanensis (56891 type locality: 56892 116125) |