Linked from
The 22 pages that link to Bivalvia, each with the reason it gives.
ByssusNarrower topic: Many byssus-producing mollusks belong to this class.
Giant clamNarrower topic: The giant clam is a bivalve with two shell valves joined by a hinge.
Pecten maximusNarrower topic: Its two valves place Pecten maximus among bivalves.
PinnidaeNarrower topic: Pen shells are bivalves, sharing the paired-valve body plan.
RudistsNarrower topic: Rudists were a distinctive extinct lineage within this mollusk class.
UnionidaNarrower topic: Unionida is one order within this class of two-shelled mollusks.
VeneridaeNarrower topic: Veneridae belongs to this two-shelled mollusk class.