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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Echyrosia circularis
Taxonomy
Echyrosia circularis was named by Cooper (1989). It is not extant. Its type locality is Wadi al Ghab, S1677, which is in a Bajocian shallow subtidal limestone in the Dhruma Formation of Saudi Arabia.
Synonymy list
| Year | Name and author |
|---|---|
| 1989 | Echyrosia circularis Cooper |
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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.
†Echyrosia circularis Cooper 1989
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| shell height | 1 | 15.2 |
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| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004 | |||||