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Abra (Syndosmya) cygnea

Bivalvia - Cardiida - Semelidae

Taxonomy
Abra (Syndosmya) cygnea was named by Jeffery and Tracey (1997). Its type specimen is BMNH LL 41612, a valve (right valve), and it is a 3D body fossil. Its type locality is Barnea bed, Bursledon Brickworks, which is in a Ypresian offshore shale in the London Clay Formation of the United Kingdom.

Sister species lacking formal opinion data
A. cylicion, A. digitaria, A. lapochi

Synonymy list
YearName and author
1997Abra (Syndosmya) cygnea Jeffery and Tracey p. 88 figs. Pl 5, figs 16,17

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classBivalvia
—Eubivalvia
subclassAutobranchia(Groblen 1894)
infraclassHeteroconchia(Gray 1854)
—CardiomorphiFerussac 1822
RankNameAuthor
—CardioniFerussac 1822
—CardiidiaFerussac 1822
—CardiataFerussac 1822
superorderCardiiformiiFerussac 1822
orderCardiidaFerussac 1822
suborderCardiidinaFerussac 1822
—CardioideiFerussac 1822
superfamilyTellinoidea(Blainville 1814)
familySemelidaeStoliczka 1870
genusAbraLamarck 1818
subgenusSyndosmya
speciescygnea

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.

†Abra (Syndosmya) cygnea Jeffery and Tracey 1997
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Diagnosis
No diagnoses are available