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Dielasma bellulum
Taxonomy
Dielasma bellulum was named by Cooper and Grant (1976). Its type specimen is USNM 153305a, a shell (Articulated shell), and it is not a trace fossil. Its type locality is USNM710z, Road Canyon Formation, Hill 4910, 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 bellulum Cooper and Grant p. 2866 figs. Pl 746, figs 43-52,70-76; pl 757, figs 57-61 |
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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 bellulum Cooper and Grant 1976
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 5 | 7.35 | 5.10 | 10.0 | 7.60 | 1.87 |
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| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004 | |||||