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Xystostrophia
Taxonomy
Xystostrophia was named by Havlicek (1965) [Sepkoski's age data: D Eife-u D Give-l Sepkoski's reference number: 25,416]. It is not extant.
It was assigned to Chilidiopsinae by Williams et al. (2000); to Strophomenida by Sepkoski (2002); and to Chilidiopsidae by Stigall Rode (2005).
It was assigned to Chilidiopsinae by Williams et al. (2000); to Strophomenida by Sepkoski (2002); and to Chilidiopsidae by Stigall Rode (2005).
Species
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1965 | Xystostrophia Havlicek p. 292 |
| 2000 | Xystostrophia Williams et al. p. 675 |
| 2002 | Apicilirella Sepkoski |
| 2002 | Xystostrophia Sepkoski |
| 2005 | Xystostrophia Stigall Rode p. 161 |
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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. †Xystostrophia Havlicek 1965
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†Xystostrophia umbraculum von Schlotheim 1820
†Xystostrophia woolworthana Hall 1857
Invalid names: Apicilirella [synonym]
Diagnosis
No diagnoses are available