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Dayongia
Taxonomy
Dayongia was named by Xiang and Ji (1986) [Sepkoski's age data: O Ashg Sepkoski's reference number: ZR87]. Its type is Dayongia longicephala.
It was assigned to Phacopida by Sepkoski (2002); and to Encrinuridae by Jell and Adrain (2002).
It was assigned to Phacopida by Sepkoski (2002); and to Encrinuridae by Jell and Adrain (2002).
Species
D. longicephala (type species)
Synonymy list
Year | Name and author |
---|---|
1986 | Dayongia Xiang and Ji |
2002 | Dayongia Jell and Adrain p. 364 |
2002 | Dayongia Sepkoski |
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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.
Diagnosis
No diagnoses are available