Portlandia is a genus of marine bivalve mollusks in the family Yoldiidae.

[1][2] They can be found in all the oceans.

[2] The genus includes Portlandia arctica, the bivalve which gave its name – when it was still known as Yoldia arctica – to the Yoldia Sea.

There are six recognized species:[1] This bivalve-related article is a stub.

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