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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Giraldiella giraldi
Taxonomy
Giraldiella giraldi was named by Williams (1951) [Bancroft in Williams 1951].
Synonymy list
| Year | Name and author |
|---|---|
| 1951 | Giraldiella giraldi Williams pp. 93 - 94 figs. P1. III, figs. 16-18 |
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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.
†Giraldiella giraldi Williams 1951
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A. Williams 1951 | Unequally biconvex Giraldiellas with a faint dorsal sulcus and ornamented by strongly fascicostellate ribs. |
Measurements
No measurements are available
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| Source: g = genus, o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004, Hendy 2009 | |||||
Age range: Hirnantian or 445.20000 to 443.40000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Hirnantian | United Kingdom (Wales) | Giraldiella giraldi (153336) |