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Deiracephalus
Taxonomy
Deiracephalus was named by Resser (1935) [Sepkoski's age data: Cm Dres-l Sepkoski's reference number: 80,379]. Its type is Acrocephalites aster.
It was assigned to Llanoaspididae by Jell and Adrain (2002); and to Ptychopariida by Sepkoski (2002).
It was assigned to Llanoaspididae by Jell and Adrain (2002); and to Ptychopariida by Sepkoski (2002).
Species
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1935 | Asteraspis Kobayashi |
| 1935 | Deiracephalus Resser pp. 21 - 22 |
| 2002 | Deiracephalus Jell and Adrain p. 364 |
| 2002 | Deiracephalus Sepkoski |
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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. †Deiracephalus Resser 1935
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†Deiracephalus aster Walcott 1916
†Deiracephalus buttsi Resser 1935
†Deiracephalus unicornis Palmer 1962
Invalid names: Asteraspis Kobayashi 1935 [objective synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Aberhan et al. 2004, Whittington et al. 1997 | |||||
Age range: base of the Guzhangian to the top of the Dresbachian or 500.50000 to 485.40000 Ma
Collections (9 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Menevian | USA (Utah) | D. aster (230681) | |
| Marjumian | USA (Alabama) | D. unicornis (75640) | |
| Guzhangian | USA (Texas) | D. aster (208685 208686) | |
| Dresbachian | Canada (Yukon) | D. aster (55216 55221) D. unicornis (55222 55279) | |
| Furongian | USA (Utah) | D. sp. (156427) |