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Ectogrammysia

Bivalvia - Grammysiidae

Taxonomy
Ectogrammysia was named by Hoare et al. (1989) [Sepkoski's age data: C Serp-l Sepkoski's reference number: 879]. Its type is Ectogrammysia crassatis.

It was assigned to Grammysiidae by Hoare et al. (1989); and to Pholadomyoida by Sepkoski (2002).

Synonymy list
YearName and author
1989Ectogrammysia Hoare et al. p. 596–598
2002Ectogrammysia Sepkoski, Jr.

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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
genusEctogrammysia

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