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Diplodonta (Zemysina)

Bivalvia - Cardiida - Ungulinidae

Taxonomy
Zemysina was named by Finlay (1927) [Sepkoski's age data: T Eo-l R Sepkoski's reference number: 681]. It is extant. Its type is Zemysina globus.

It was reranked as Diplodonta (Zemysina) by Marwick (1960) and Zinsmeister (1983).

It was assigned to Diplodonta by Marwick (1960) and Zinsmeister (1983); and to Veneroida by Sepkoski (2002).

Synonymy list
YearName and author
1927Zemysina Finlay p. 462
1960Diplodonta (Zemysina) Marwick p. 14
1983Diplodonta (Zemysina) Zinsmeister p. 1827
2002Zemysina Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
Schizocoela
phylumMollusca
classBivalvia
Eubivalvia
subclassAutobranchia(Groblen 1894)
infraclassHeteroconchia(Cox 1960)
CardiomorphiFerussac 1822
RankNameAuthor
CardioniFerussac 1822
CardiidiaFerussac 1822
CardiataFerussac 1822
superorderCardiiformiiFerussac 1822
orderCardiidaFerussac 1822
suborderCardiidinaFerussac 1822
Veneroidei(Gray 1854)
VeneroiteiGray 1854
superfamilyUngulinoideaAdams and Adams 1857
familyUngulinidaeAdams and Adams 1857
genusDiplodontaBronn 1831
subgenusZemysina(Finlay 1927)

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