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Bayfieldia

Trilobita - Asaphida - Eurekiidae

Taxonomy
Bayfieldia was named by Clark (1924) [Sepkoski's age data: Cm Trep-l Cm Trep-u Sepkoski's reference number: 379,484]. It is not extant.

It was assigned to Eurekiidae by Jell and Adrain (2002); and to Ptychopariida by Sepkoski (2002).

Synonymy list
YearName and author
1924Bayfieldia Clark
2002Bayfieldia Jell and Adrain p. 348
2002Bayfieldia Sepkoski

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—EcdysozoaAguinaldo et al. 1997
—Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
subclassLibristoma
orderAsaphidaSalter 1864
familyEurekiidaeHupé 1953
genusBayfieldiaClark 1924

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. †Bayfieldia Clark 1924
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†Bayfieldia binodosa Hall 1863
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Invalid names: Bayfieldia finkelnburgi Clark 1924 [synonym], Corbinia implumis Winston and Nicholls 1967 [synonym]
†Bayfieldia simata Winston and Nicholls 1967
†Bayfieldia tumifrons Clark 1924
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: low Mg calcitec
Composition 2: chitinc
Ontogeny: molting, addition of partsc
Environment: marinec
Locomotion: fast-movingo
Life habit: low-level epifaunalo
Diet: carnivorec
Vision: well-developedf
Created: 2009-12-13 22:57:25
Modified: 2009-12-14 00:57:25
Source: f = family, o = order, c = class
References: Aberhan et al. 2004, Whittington et al. 1997, Hendy et al. 2009

Age range: Trempealeauan or 490.20000 to 486.85000 Ma

Collections (38 total)


Time interval Ma Country or state Original ID and collection number
Furongian497.0 - 486.85Canada (Alberta) B. sp. (229379 229380)
Sunwaptan493.5 - 488.9USA (Oklahoma) B. binodosa (182591 190350 240459 240469 240470 240472) B. binodosa, B. simata (240457) B. simata (240401 240418 240445 240448 240450 240454 240456)
Sunwaptan493.5 - 488.9USA (Nevada) Corbinia implumis (235995)
Sunwaptan493.5 - 488.9Canada (Alberta) B. simata (54096 81298) B. sp., Corbinia implumis (54094) Corbinia implumis (54093 81305)
Trempealeauan490.2 - 486.85USA (Utah) B. sp. (259)
Trempealeauan490.2 - 486.85USA (Montana) Eurekia binodosa (168863)
Trempealeauan490.2 - 486.85USA (Texas) B. simata (216014 219648 219651 219655 219678 233747) B. simiata (233745)
Trempealeauan490.2 - 486.85USA (Wyoming) B. bindosa (9767 9768) B. simata (9774)
Trempealeauan490.2 - 486.85USA (Oklahoma) B. binodosa (221097 221102)
Trempealeauan490.2 - 486.85Canada (Quebec) B. tumifrons (224140)
Skullrockian488.9 - 483.4USA (Texas) B. simata var. A Winston and Nicholls 1967, B. binodosa, B. simata (219680)