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Bradyfallotaspis
Taxonomy
Bradyfallotaspis was named by Fritz (1972) [Sepkoski's age data: Cm Atda-u Sepkoski's reference number: 475]. It is not extant. Its type is Bradyfallotaspis fusa.
It was assigned to Olenellina by Lieberman (2001); to Olenellida by Sepkoski (2002); and to Archaeaspididae by Palmer and Repina (1993), Whittington et al. (1997), Jell and Adrain (2002).
It was assigned to Olenellina by Lieberman (2001); to Olenellida by Sepkoski (2002); and to Archaeaspididae by Palmer and Repina (1993), Whittington et al. (1997), Jell and Adrain (2002).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1972 | Bradyfallotaspis Fritz |
| 1993 | Bradyfallotaspis Palmer and Repina p. 29 fig. 9.2 |
| 1997 | Bradyfallotaspis Whittington et al. p. 423 |
| 2001 | Bradyfallotaspis Lieberman p. 102 |
| 2002 | Bradyfallotaspis Jell and Adrain p. 352 |
| 2002 | Bradyfallotaspis 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. †Bradyfallotaspis Fritz 1972
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†Bradyfallotaspis coriae Gapp et al. 2011
†Bradyfallotaspis fusa Fritz 1972
†Bradyfallotaspis nicolascagei Gapp et al. 2011
†Bradyfallotaspis patula Fritz 1972
†Bradyfallotaspis sekwiensis Gapp et al. 2011
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A. R. Palmer and L. N. Repina 1993 | Archaeaspididae with glabellar outline subcylindrical; anterior end of glabella strongly rounded. Sagittal length of preglabellar field about equal to that of border. Width of interocular area less than width of extraocular area opposite midlength of ocular lobe. Ocular lobes raised above level of glabella. |
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Aberhan et al. 2004, Hendy et al. 2009 | |||||
Age range: base of the Lenian to the top of the Montezuman or 516.00000 to 515.30000 Ma
Collections (9 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Cambrian | Canada (Northwest Territories) | B. fusa, B. patula (156145) B. sp., B. fusa (156143) B. sp., B. patula (156158) | |
| Cambrian | Canada (Northern Territories) | B. coriae, B. nicolascagei (228649) B. coriae, B. nicolascagei, B. sekwiensis (228647) B. nicolascagei, B. sekwiensis (228646) | |
| Montezuman | USA (Nevada) | B. sp. (10551) | |
| Montezuman | Canada (Yukon) | B. sp. 3 (225105) | |
| Lenian | Canada (Alberta) | B. sp. (10865) |