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Astraspis
Taxonomy
Astraspis was named by Walcott (1892) [Sepkoski's age data: O Cara-l O Ashg-m Sepkoski's reference number: 2]. Its type is Astraspis desiderata.
It was assigned to Asterolepidae by Hay (1902); to Astraspidae by Jordan (1963); to Agnatha by Smith et al. (1995); to Astraspidiformes by Sepkoski (2002); and to Astraspididae by Sansom et al. (1997) and Van Der Laan (2019).
It was assigned to Asterolepidae by Hay (1902); to Astraspidae by Jordan (1963); to Agnatha by Smith et al. (1995); to Astraspidiformes by Sepkoski (2002); and to Astraspididae by Sansom et al. (1997) and Van Der Laan (2019).
Species
A. desiderata (syn. A. splendens) (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 1892 | Astraspis Walcott |
| 1902 | Astraspis Hay p. 342 |
| 1963 | Astraspis Jordan p. 585 |
| 1995 | Astraspis Smith et al. p. 65 |
| 1997 | Astraspis Sansom et al. p. 628 |
| 2002 | Astraspis Sepkoski |
| 2019 | Astraspis Van Der Laan p. 16 |
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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. †Astraspis Walcott 1892
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: subp = subphylum, p = phylum | |||||
| Reference: Kiessling 2004 | |||||
Age range: base of the Franklinian to the top of the Caradoc or 457.30000 to 449.50000 Ma
Collections (15 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Caradoc | USA (Colorado) | A. desiderata, A. splendens (10380) | |
| Franklinian | Canada (Ontario) | A. desiderata (90381 90403 90404 90405 90406 90407 90408 90409 90410 90411 90412) | |
| Franklinian | USA (Colorado) | A. desiderata (155756 155772) | |
| Richmondian | USA (Wyoming) | A. desiderata (65239) |