|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Bivalvia - Cardiida - Cardiidae
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.
|M. Harzhauser et al. 2008||Suboval, 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).|