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Tridacna evae

Bivalvia - Cardiida - Cardiidae

Taxonomy
Tridacna evae was named by Harzhauser et al. (2008). Its type specimen is NHM 2006z0272 ⁄ 0002, a shell, and it is a 3D body fossil.

Sister species lacking formal opinion data

View classification of included taxa

Synonymy list
YearName and author
2008Tridacna evae Harzhauser et al. pp. 204-205 figs. text-fig. 5

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
Schizocoela
phylumMollusca
classBivalvia
Eubivalvia
subclassAutobranchia(Groblen 1894)
infraclassHeteroconchia(Cox 1960)
CardiomorphiFerussac 1822
CardioniFerussac 1822
RankNameAuthor
CardiidiaFerussac 1822
CardiataFerussac 1822
superorderCardiiformiiFerussac 1822
orderCardiidaFerussac 1822
suborderCardiidinaFerussac 1822
CardioideiFerussac 1822
superfamilyCardioidea(Lamarck 1809)
familyCardiidaeLamarck 1809
Neocardiids
EucardiidsSchneider 1995
subfamilyTridacninae(Lamarck 1819)
genusTridacnaBruguière 1797
speciesevae

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
ReferenceDiagnosis
M. Harzhauser et al. 2008Suboval, rather small Tridacna with up to nine rounded ribs separated by wider interspaces. Sculpture also strongly expressed in the interior shell. Concave ventral margin with byssal gape. Hinge reduced with narrow posterior laterals and very weak and posteriorly displaced posterior cardinal tooth (left valve).