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Xenaster
Taxonomy
Xenaster was named by Simonovitsch (1871) [Sepkoski's age data: D Eife Sepkoski's reference number: 1066]. Its type is Xenaster margaritatus. It is the type genus of Xenasteridae.
It was assigned to Pustulosida by Sepkoski (2002); and to Xenasteridae by Schöndorf (1909), Schöndorf (1909), Schuchert (1915), Spencer and Wright (1966) and Blake (2018).
It was assigned to Pustulosida by Sepkoski (2002); and to Xenasteridae by Schöndorf (1909), Schöndorf (1909), Schuchert (1915), Spencer and Wright (1966) and Blake (2018).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1871 | Xenaster Simonovitsch p. 88 |
| 1909 | Xenaster Schöndorf p. 26 |
| 1915 | Xenaster Schuchert pp. 129-130 figs. pl. 24 |
| 1966 | Xenaster Spencer and Wright p. U52 |
| 2002 | Xenaster Sepkoski |
| 2018 | Xenaster Blake p. 42 |
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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. †Xenaster Simonovitsch 1871
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†Xenaster dispar Schöndorf 1909
†Xenaster elegans Schöndorf 1909
†Xenaster margaritatus Simonovitsch 1871
†Xenaster rhenanus Müller 1855
Diagnosis
No diagnoses are available