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Euchondria longtanensis
Taxonomy
Euchondria longtanensis was named by Gu and Liu (1976).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1976 | Euchondria longtanensis Gu and Liu p. 172 figs. Pl 12, figs 12-14 |
| 1977 | Euchondria longtanensis Zhang p. 505 figs. Pl 195, fig 19 |
| 1982 | Euchondria longtanensis Li et al. p. 315 figs. Pl 121, figs 3,4 |
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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.
†Euchondria longtanensis Gu and Liu 1976
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| valve height | 2 | 5.86 | 5.85 | 5.88 | 5.86 | 0.018 |
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| Source: o = order, c = class | |||||
| References: Aberhan et al. 2004, Kiessling 2004 | |||||
Age range: base of the Roadian to the top of the Changhsingian or 274.40000 to 251.90200 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Roadian | China (Hunan) | Euchondria longtanensis (123630) | |
| Wordian | China (Jiangsu) | Euchondria longtanensis (102117) | |
| Changhsingian | China (Guizhou) | Euchondria longtanensis (108546 117481) | |
| Changhsingian | China (Chongqing) | Euchondria longtanensis (94969 94978) |