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Dayia
Taxonomy
Dayia was named by Davidson (1881). Its type is Terebratula navicula.
It was assigned to Dayiinae by Bassett and Cocks (1974); to Dayiidae by Williams et al. (2002); and to Atrypida by Sepkoski (2002).
It was assigned to Dayiinae by Bassett and Cocks (1974); to Dayiidae by Williams et al. (2002); and to Atrypida by Sepkoski (2002).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1881 | Dayia Davidson |
| 1974 | Dayia Bassett and Cocks |
| 2002 | Dayia Sepkoski |
| 2002 | Dayia Williams et al. p. 1605 |
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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