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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Amerista
Taxonomy
Amerista is a genus. It is not extant.
It was assigned to Meristinae by Williams et al. (2002); and to Spiriferida by Sepkoski (2002).
It was assigned to Meristinae by Williams et al. (2002); and to Spiriferida by Sepkoski (2002).
Synonymy list
| Year | Name and author |
|---|---|
| 2002 | Amerista Sepkoski |
| 2002 | Amerista Williams et al. p. 1570 |
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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.
G. †Amerista
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: subo = suborder, c = class, p = phylum, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Nesnidal et al. 2013 | |||||
Age range: base of the Homerian to the top of the Ludfordian or 430.50000 to 423.00000 Ma
Collections (9 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Homerian - Gorstian | Mexico (Tamaulipas) | A. sp. (5121 5122 5123 5124 5125 5126 5127 5130) | |
| Ludfordian | Mexico (Tamaulipas) | A. sp. (3567) |