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Wiwaxia

Taxonomy
Wiwaxia was named by Walcott (1911) [Sepkoski's age data: Cm Tojo Cm mMid-u Sepkoski's reference number: 809]. Its type is Orthotheca corrugata. It is the type genus of Wiwaxidae.

It was assigned to Wiwaxidae by Walcott (1911) and Conway Morris and Robison (1988); to Sachitida by Sepkoski (2002); to Halwaxida by Conway Morris and Caron (2007); to Metazoa by Bambach et al. (2007); and to Annelida by Caron and Jackson (2008).

Synonymy list
YearName and author
1911Wiwaxia Walcott p. 123
1988Wiwaxia Conway Morris and Robison p. 39
2002Wiwaxia Sepkoski
2007Wiwaxia Bambach et al. p. S83
2007Wiwaxia Conway Morris and Caron p. 1258
2008Wiwaxia Caron and Jackson p. 226

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
RankNameAuthor
superphylumLophotrochozoa
phylumMollusca
—Sachitida(He 1980)
genusWiwaxia

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. †Wiwaxia Walcott 1911
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†Wiwaxia corrugata Matthew 1899
†Wiwaxia foliosa Yang et al. 2014
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: no hard partsg
Locomotion: actively mobileg
Life habit: epifaunalg
Diet: grazerg
Vision: blindg
Comments: Epifaunal vagrant grazer (Caron & Jackson, 2008); Surficial, fully motile slow, grazer (Bambach et al., 2007). Unmineralized sclerites, no shellg
Created: 2008-03-01 07:17:28
Modified: 2010-09-23 14:18:48
Source: g = genus
Reference: Conway Morris and Caron 2007

Age range: base of the Botomian to the top of the Delamaran or 516.00000 to 506.50000 Ma

Collections (39 total)


Time interval Ma Country or state Original ID and collection number
Waucoban538.8 - 509.0Canada (Northwest Territories) W. corrugata (6850) W. sp. (227949 227951 227953 227954)
Cambrian538.8 - 485.4China (Yunnan) W. foliosa (159584)
Botomian516.0 - 512.9Russian Federation (Yakutia) W. sp. (90438)
Delamaran511.2 - 506.5USA (Utah) W. corrugata (77218)
Delamaran511.2 - 506.5Canada (British Columbia) W. corrugata (84412 84413 84414 84415 84416 84417 84418 84419 84420 84421 84422 84423 84424 84425 84426 84427 84428 84429 84430 84431 84432 84433 84434 84435 84436 84437)
Taijangian509.0 - 504.5China (Guizhou) W. sp. (79770 125162)
Middle Cambrian509.0 - 497.0Canada (Brithish Columbia) W. sp. (188661 188662)
St Davids509.0 - 497.0Canada (British Columbia) W. sp. (122094)