- Source: Portlandia (bivalve)
Portlandia is a genus of marine bivalve mollusks in the family Yoldiidae. They can be found in all the oceans. The genus includes Portlandia arctica, the bivalve which gave its name – when it was still known as Yoldia arctica – to the Yoldia Sea.
Species
There are six recognized species:Portlandia aestuariorum (Mosevich, 1928)
Portlandia arctica (Gray, 1824)
Portlandia glacialis (J. E. Gray, 1825)
Portlandia isonota (Martens, 1881)
Portlandia pachia (A. E. Verrill & Bush, 1898)
Portlandia sulcifera (Reeve, 1855)