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Eoastarte
Taxonomy
Eoastarte was named by Ciriacks (1963) [Sepkoski's age data: P Leon-u Sepkoski's reference number: 1066].
It was assigned to Eoastartinae by Mello (1999); to Trigonioida by Sepkoski (2002); and to Eoastartidae by Newell and Boyd (1975) and Bouchet et al. (2010).
It was assigned to Eoastartinae by Mello (1999); to Trigonioida by Sepkoski (2002); and to Eoastartidae by Newell and Boyd (1975) and Bouchet et al. (2010).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1963 | Eoastarte Ciriacks p. 66 |
| 1975 | Eoastarte Newell and Boyd p. 131 |
| 1999 | Eoastarte Mello pp. 118, 120, 212 |
| 2002 | Eoastarte Sepkoski |
| 2010 | Eoastarte Bouchet et al. |
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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. †Eoastarte Ciriacks 1963
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†Eoastarte primaeva Waagen 1881
†Eoastarte subcircularis Ciriacks 1963
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 1 | 32.9 | - | - | - | - | |
| valve height | 7 | 12.4 | 0.637 | 53.2 | 13.7 | 23.2 |
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| Source: o = order, c = class | |||||
| Reference: Aberhan et al. 2004 | |||||
Age range: base of the Virgilian to the top of the Changhsingian or 303.70000 to 252.17000 Ma
Collections (13 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Virgilian | USA (New Mexico) | E. sp. (156699) | |
| Asselian | Mexico | E. subcircularis (117974) | |
| Leonardian | USA (Utah) | E. subcircularis (11272) | |
| Kungurian | USA (Arizona) | E. subcircularis (115796) | |
| Kungurian | USA (Texas) | E. subcircularis (43517 105853) | |
| Kungurian | USA (Utah) | E. subcircularis (88664) | |
| Kungurian | USA (Wyoming) | E. subcircularis (81512 105373) | |
| Roadian | USA (Texas) | E. subcircularis (43512 43518) | |
| Changhsingian | Pakistan | Gouldia primaeva (119554 126898) |