| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Dielasma orientalis
Taxonomy
Dielasma orientalis was named by Grabau (1931) [Dielasma elongatum var. orientalis]. It is a 3D body fossil. Its type locality is Jisu Honguer Limestone Undivided, which is in a Wordian carbonate limestone in the Zhesi Formation of China.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1931 | Dielasma orientalis Grabau p. 72 figs. Pl 7, figs 5,7 |
Is something missing? Join the Paleobiology Database and enter the data
|
|
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.
†Dielasma orientalis Grabau 1931
show all | hide all
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 2 | 2.53 | 2.00 | 3.20 | 2.60 | 0.849 |
|
|
||||
|
|
||||
|
|||||
|
|
||||
|
|
||||
| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Nesnidal et al. 2013 | |||||
Age range: base of the Wordian to the top of the Changhsingian or 266.90000 to 252.17000 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Wordian | China (Nei Mongol) | Dielasma orientalis (type locality: 109257) | |
| Changhsingian | China (Qinghai) | Dielasma orientalis (89319) | |
| Changhsingian | China (Chongqing) | Dielasma orientalis (149277 149278 149281 149282) |