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Dielasma emarginatum
Taxonomy
Dielasma emarginatum was named by Cooper and Grant (1976). Its type specimen is USNM 153315g, a shell (Articulated shell), and it is not a trace fossil. Its type locality is USNM707e, Sullivan Peak, Glass Mountains, which is in a Roadian slope limestone in the Road Canyon Formation of Texas.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1976 | Dielasma emarginatum Cooper and Grant p. 2873 figs. Pl 750, figs 23-42 |
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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 emarginatum Cooper and Grant 1976
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 6 | 9.37 | 5.20 | 11.4 | 10.5 | 2.26 |
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| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Nesnidal et al. 2013 | |||||