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Dielasma giganteum
Taxonomy
Dielasma giganteum was named by Tschernyschew (1902). It is a 3D body fossil. Its type locality is Ulu-Tau Mountain, Sim River, Schwagerina Limestone, which is in an Artinskian marine horizon in the Russian Federation.
Subspecies
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1902 | Dielasma giganteum Tschernyschew p. 32 figs. Pl 4, figs 1-3 |
| 2004 | Dielasma gigantea Chen p. 59 figs. Pl 12, figs 1-5 |
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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.
†Dielasma giganteum Tschernyschew 1902
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†Dielasma giganteum anteplicatum Grabau 1931
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| shell height | 1 | 11.6 |
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| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Nesnidal et al. 2013 | |||||
Age range: base of the Asselian to the top of the Artinskian or 298.90000 to 279.30000 Ma
Collections (7 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Asselian | China (Xinjiang) | Dielasma gigantea (105227 105228) | |
| Asselian | China | Dielasma gigantea (35512) | |
| Cisuralian | Russian Federation | Dielasma giganteum (110291) | |
| Sakmarian | China (Guangxi) | Dielasma giganteum (134321) | |
| Sakmarian | China (Xinjiang) | Dielasma gigantea (35514) | |
| Artinskian | Russian Federation | Dielasma giganteum (type locality: 132829) |