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Briscoia
Taxonomy
Briscoia was named by Walcott (1924) [Sepkoski's age data: Cm Fran-u Cm Trep-u Sepkoski's reference number: 379]. It is not extant. Its type is Briscoia sinclairensis.
It was assigned to Dikelocephalidae by Jell and Adrain (2002); and to Asaphida by Sepkoski (2002).
It was assigned to Dikelocephalidae by Jell and Adrain (2002); and to Asaphida by Sepkoski (2002).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1924 | Briscoia Walcott |
| 1935 | Parabriscoia Kobayashi |
| 2002 | Briscoia Jell and Adrain p. 352 |
| 2002 | Briscoia 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. †Briscoia Walcott 1924
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†Briscoia angustilimba Westrop 1986
†Briscoia coloradoensis Walcott 1914
†Briscoia dalyi Walcott 1914
†Briscoia devinei Billings 1865
†Briscoia elegans Kobayashi 1935
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Invalid names: Parabriscoia stenorachis Kobayashi 1935 [synonym]
†Briscoia llanoensis Winston and Nicholls 1967
†Briscoia nevadensis Resser 1937
†Briscoia pertransversa Lochman 1956
†Briscoia schucherti Ulrich and Resser 1930
†Briscoia septentrionalis Kobayashi 1935
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Invalid names: Briscoia mertiei Kobayashi 1935 [synonym], Briscoia robusta Kobayashi 1935 [synonym]
†Briscoia sinclairensis Walcott 1924
Invalid names: Parabriscoia Kobayashi 1935 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, o = order, c = class | |||||
| References: Aberhan et al. 2004, Hendy et al. 2009, Whittington et al. 1997 | |||||
Age range: base of the Paibian to the top of the Trempealeauan or 497.00000 to 485.40000 Ma
Collections (27 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Cambrian | USA (Alaska) | B. sp. (114982) | |
| Paibian | USA (Alaska) | B. septentrionalis (233750) B. septentrionalis, B. elegans (233751) | |
| Franconian | USA (Wisconsin) | B. schucherti (233639) | |
| Sunwaptan | Canada (Alberta) | B. angustilimba, B. dalyi (54093) B. dalyi (81303) | |
| Sunwaptan | USA (Wisconsin) | B. pertransversa (233787) | |
| Trempealeauan | USA (Nevada) | B. nevadensis (233789) | |
| Trempealeauan | USA (South Dakota) | B. angustilimba (9763) B. dalyi (9756 9759) B. sp., B. dalyi (9758) | |
| Trempealeauan | USA (Texas) | B. llanoensis (216015 219648 219651 219652 219653 219654 233745 233747) | |
| Trempealeauan | Canada (Yukon) | Parabriscoia elegans (55305 55307) | |
| Trempealeauan | USA (Wyoming) | B. sp. (9770) | |
| Trempealeauan | USA (Colorado) | Saukia coloradoensis (233788) | |
| Skullrockian | Canada (Alberta) | B. sinclairensis (233707) | |
| Skullrockian | Canada (British Columbia) | B. sinclairensis (233704 233705) |