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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Achatella truncatocaudata
Taxonomy
Phacops truncatocaudatus was named by Portlock (1843).
It was recombined as Truncatometopus truncatocaudatus by Pillet (1960); it was recombined as Achatella truncatocaudata by Romano and Owen (1993).
It was recombined as Truncatometopus truncatocaudatus by Pillet (1960); it was recombined as Achatella truncatocaudata by Romano and Owen (1993).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1843 | Phacops truncatocaudatus Portlock |
| 1960 | Truncatometopus truncatocaudatus Pillet |
| 1993 | Achatella truncatocaudata Romano and Owen p. 711 figs. 5A, F |
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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.
†Achatella truncatocaudata Portlock 1843
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, f = family, subo = suborder, c = class | |||||
| References: Aberhan et al. 2004, Hendy 2009, Fortey and Owens 1999 | |||||
Age range: base of the Caradoc to the top of the Hirnantian or 458.20000 to 443.10000 Ma
Collections (5 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Caradoc | Ireland | Achatella truncatocaudata (50599 50601) | |
| Pusgillian - Cautleyan | United Kingdom (Northern Ireland) | Phacops truncatocaudatus (171675) | |
| Hirnantian | United Kingdom (Scotland) | Achatella truncatocaudata (181875 181876) |