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Astrapidiformes
Taxonomy
Astrapidiformes was named by Berg (1940). It is not extant.
It was corrected as Astraspidiformes by Sepkoski (2002), Long (2011), Wilson et al. (2016), Nelson et al. (2016), Van Der Laan (2019).
It was assigned to Pteraspidomorphi by Sepkoski (2002); and to Astraspida by Sansom et al. (1997), Long (2011), Wilson et al. (2016), Nelson et al. (2016), Van Der Laan (2019).
It was corrected as Astraspidiformes by Sepkoski (2002), Long (2011), Wilson et al. (2016), Nelson et al. (2016), Van Der Laan (2019).
It was assigned to Pteraspidomorphi by Sepkoski (2002); and to Astraspida by Sansom et al. (1997), Long (2011), Wilson et al. (2016), Nelson et al. (2016), Van Der Laan (2019).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1940 | Astrapidiformes Berg |
| 1997 | Astrapidiformes Sansom et al. p. 628 |
| 2002 | Astraspidiformes Sepkoski |
| 2011 | Astraspidiformes Long p. 241 |
| 2016 | Astraspidiformes Nelson et al. p. 27 |
| 2016 | Astraspidiformes Wilson et al. |
| 2019 | Astraspidiformes 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.
Or. †Astrapidiformes Berg 1940
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: subp = subphylum, p = phylum | |||||
| References: Carroll 1988, 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) | Astraspis desiderata, Astraspis splendens (10380) | |
| Franklinian | USA (Colorado) | Astraspis desiderata (155756 155772) | |
| Franklinian | Canada (Ontario) | Astraspis desiderata (90381 90403 90404 90405 90406 90407 90408 90409 90410 90411 90412) | |
| Richmondian | USA (Wyoming) | Astraspis desiderata (65239) |