Mollusca (Phylum) > Bivalvia (Class) > Pteriomorphia (Subclass) > Pectinoida (Order) > Pectinoidea (Superfamily) > Pectinidae (Family) > Pectininae (Subfamily) > Decatopectinini (Tribe) > Bractechlamys (Genus)

In the SW lagoon of New Caledonia (South Pacific), the pectinid Bractechlamys vexillum (Reeve) is a characteristic species of the 1000-km² grey sand bottoms benthic community, with an average density of 1.65 ind m- 2 and a mean dorso-ventral shell height of 47 mm.

Synonymes
Chlamys vexillum (Reeve, 1853)
Pecten janus (Montrouzier in Fischer, 1858)
Pecten vexillum (Reeve, 1835)
Semipallium vexillum (Reeve, 1853)