Norwegian egg cockle; Norwegian cockle; Norway cockle
Cardium (Laevicardium) norvegicum Spengler, 1799
Cardium crassum Gmelin, 1791
Cardium norvegicum Spengler, 1799
Cardium pennanti Reeve, 1844
Cardium pennantii Reeve, 1844
Cardium politum Spengler, 1799
Cardium vitellinum Reeve, 1844
Laevicardium europeum Swainson, 1840
Laevicardium oblongum crassum (Gmelin, 1791)
Laevicardium oblongum gibba (Jeffreys, 1864)
Laevicardium oblongum senegalense (Dautzenberg, 1891)