|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Bivalvia - Pectinida - Pectinidae
It was recombined as Lyropecten mediacostatus by Durham (1950); it was recombined as Chlamys mediacostatus by Moore (1984).
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.