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Amygdalocosta
Taxonomy
Amygdalocosta was named by Waterhouse (1967) [Sepkoski's age data: P Tatr]. Its type is Amygdalocosta rara.
It was assigned to Terebratulida by Sepkoski (2002); and to Dielasmatinae by Williams et al. (2006).
It was assigned to Terebratulida by Sepkoski (2002); and to Dielasmatinae by Williams et al. (2006).
Species
A. extensa, A. rara (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 1967 | Amygdalocosta Waterhouse p. 101 |
| 2002 | Amygdalocosta Sepkoski |
| 2006 | Amygdalocosta Williams et al. p. 2030 |
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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. †Amygdalocosta Waterhouse 1967
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†Amygdalocosta extensa Reed 1944
†Amygdalocosta rara Waterhouse 1967
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| shell height | 1 | 17.0 |
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| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Nesnidal et al. 2013 | |||||
Age range: base of the Wuchiapingian to the top of the Changhsingian or 259.51000 to 251.90200 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Wuchiapingian | Pakistan | Dielasmina extensa (125897 125898 126268) | |
| Changhsingian | New Zealand | A. rara (7276 52776 52781) |