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Xestosia
Taxonomy
Xestosia was named by Cooper and Grant (1975) [Sepkoski's age data: P Leon-m P Leon-u Sepkoski's reference number: 7]. Its type is Xestosia obsolescens.
It was assigned to Paucispiniferini by Williams et al. (2000); to Strophomenida by Sepkoski (2002); and to Rugatiini by Lazarev (2011).
It was assigned to Paucispiniferini by Williams et al. (2000); to Strophomenida by Sepkoski (2002); and to Rugatiini by Lazarev (2011).
Species
X. obsolescens (type species), X. schucherti
Synonymy list
Year | Name and author |
---|---|
1975 | Xestosia Cooper and Grant p. 1063 |
2000 | Xestosia Williams et al. p. 449 |
2002 | Xestosia Sepkoski |
2011 | Xestosia Lazarev p. 31 |
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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. †Xestosia Cooper and Grant 1975
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†Xestosia obsolescens Cooper and Grant 1975
†Xestosia schucherti King 1931
Diagnosis
No diagnoses are available