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Brachyaspidion
Taxonomy
Brachyaspidion was named by Miller (1936) [Sepkoski's age data: Cm uMid-l]. It is not extant.
It was assigned to Kingstoniidae by Jell and Adrain (2002); and to Ptychopariida by Sepkoski (2002).
It was assigned to Kingstoniidae by Jell and Adrain (2002); and to Ptychopariida by Sepkoski (2002).
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1936 | Brachyaspidion Miller |
| 2002 | Brachyaspidion Jell and Adrain p. 351 |
| 2002 | Brachyaspidion 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. †Brachyaspidion Miller 1936
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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 | |||||
Collections (7 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Delamaran | USA (Utah) | B. sulcatum (77219) | |
| Middle Cambrian | USA (Utah) | B. sulcatum (77272) | |
| St Davids | Canada (British Columbia) | B. sp. (122017) B. sp., B. sulcata (122072) | |
| St Davids | USA (Utah) | B. sp. (216) | |
| Marjumian | USA (Utah) | B. microps (56144) B. microps, B. sulcatum (230682) |