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Dielasma diabloense
Taxonomy
Dielasma diabloense was named by Stehli (1954). Its type specimen is AMNH 27330/1:1, a shell (Articulated shell), and it is not a trace fossil.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1954 | Dielasma diabloense Stehli p. 354 figs. Pl 27, figs 19-22 |
| 1976 | Dielasma diabloense Cooper and Grant p. 2870 figs. Pl 747, figs 11-20; pl 751, figs 66-89; pl 778, figs 35-45 |
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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 diabloense Stehli 1954
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 7 | 6.85 | 4.40 | 9.00 | 6.80 | 1.63 |
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| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004 | |||||
Age range: base of the Artinskian to the top of the Kungurian or 290.10000 to 272.30000 Ma
Collections (5 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Artinskian | USA (Nevada) | Dielasma diabloense (66104) | |
| Kungurian | USA (Texas) | Dielasma diabloense (75864 75865 81724 81848) |