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Dielasma rectimarginatum
Taxonomy
Dielasma rectimarginatum was named by Cooper (1957). Its type specimen is USNM 125414 and is a 3D body fossil. Its type locality is UO 2201-1, Grindstone-Twelvemile Creek area, which is in a Kungurian marine limestone/sandstone in the Coyote Butte Formation of Oregon.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1957 | Dielasma rectimarginatum Cooper p. 67 figs. Pl 12, figs 27-31 |
| 1996 | Dielasma rectimarginatum Shi and Waterhouse p. 150 figs. Pl 29, figs 24-30; text-fig 51 |
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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 rectimarginatum Cooper 1957
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| shell height | 1 | 13.0 |
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| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004 | |||||