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Dielasma scitulum
Taxonomy
Dielasma scitulum was named by Chronic (1949). Its type specimen is AMNH 26956/2:1, a shell (Articulated shell), and it is a 3D body fossil. Its type locality is AMNH301, Bed 30, Rasuvilca Hills section 9, Pajege Canyon, which is in an Asselian/Sakmarian marine limestone in Peru.
Sister species lacking formal opinion data
Synonymy list
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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 scitulum Chronic 1949
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 6 | 5.98 | 2.00 | 17.0 | 5.90 | 5.98 |
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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: Sakmarian or 293.52000 to 290.10000 Ma
Collections (7 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Asselian - Sakmarian | Peru (Apurimac) | Dielasma scitulum (41356 41357 41358) | |
| Asselian - Sakmarian | Peru (Ayacucho) | Dielasma scitulum (type locality: 41364 41370 41376) | |
| Sakmarian | Bolivia | Dielasma scitulum (47004) |