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Dielasma truncatum
Taxonomy
Dielasma truncatum was named by Cooper (1957). Its type specimen is USNM 125411 and is a 3D body fossil. Its type locality is S20, 2.25 miles N of Sherman Ranch, 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 truncatum Cooper p. 66 figs. Pl 10, figs 1-6 |
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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 truncatum Cooper 1957
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| shell height | 1 | 6.20 |
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| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004 | |||||