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Wiwaxia

Taxonomy
Wiwaxia was named by Mathew (1899) [Sepkoski's age data: Cm Tojo Cm mMid-u Sepkoski's reference number: 809]. It is not extant. Its type is Wiwaxia corrugata. It is the type genus of Wiwaxiidae.

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

Synonymy list
YearName and author
1899Wiwaxia Mathew
1911Wiwaxia Walcott
1988Wiwaxia Conway Morris and Robinson p. 39
2002Wiwaxia Sepkoski, Jr.
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
Schizocoela
phylumMollusca
Sachitida(He 1980)
genusWiwaxiaMathew 1899

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.

Diagnosis
No diagnoses are available