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Grammysioidea

Bivalvia - Grammysiidae

Taxonomy
Grammysioidea was named by Williams (1916) [Sepkoski's age data: S Wenl C Step Sepkoski's reference number: 1058]. It is not extant.

It was assigned to Grammysiidae by Vokes (1980); and to Pholadomyoida by Sepkoski (2002) and Nevesskaja (2009).

Synonymy list
YearName and author
1916Grammysioidea Williams
1980Grammysioidea Vokes p. 202
2002Grammysioidea Sepkoski, Jr.
2009Grammysioidea Nevesskaja

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
Schizocoela
phylumMollusca
classBivalvia
Eubivalvia
RankNameAuthor
subclassAutobranchia(Groblen 1894)
infraclassHeteroconchia(Cox 1960)
CardiomorphiFerussac 1822
CardioniFerussac 1822
CardiidiaFerussac 1822
superfamilyGrammysioideaMiller 1877
familyGrammysiidaeMiller 1877
genusGrammysioideaWilliams 1916

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