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Grammysia (Grammysioidea)
Taxonomy
Grammysia (Grammysioidea) was named by Williams (1916).
It was reranked as Grammysioidea by Vokes (1980), Sepkoski (2002), Nevesskaja (2009) and Machado et al. (2021).
It was assigned to Grammysia by Williams and Breger (1916); to Grammysiidae by Vokes (1980); to Pholadomyoida by Sepkoski (2002) and Nevesskaja (2009); and to Grammysiinae by Machado et al. (2021).
It was reranked as Grammysioidea by Vokes (1980), Sepkoski (2002), Nevesskaja (2009) and Machado et al. (2021).
It was assigned to Grammysia by Williams and Breger (1916); to Grammysiidae by Vokes (1980); to Pholadomyoida by Sepkoski (2002) and Nevesskaja (2009); and to Grammysiinae by Machado et al. (2021).
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1916 | Grammysia (Grammysioidea) Williams pp. 133 - 134 |
| 1916 | Grammysia (Grammysioidea) Williams and Breger pp. 133 - 134 |
| 1980 | Grammysioidea Vokes p. 202 |
| 2002 | Grammysioidea Sepkoski |
| 2009 | Grammysioidea Nevesskaja |
| 2021 | Grammysioidea Machado et al. p. 26 |
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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.
Subg. †Grammysia (Grammysioidea) Williams 1916
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Diagnosis
No diagnoses are available