Rosén, O.V. 1926. Terrestrial and freshwater mollusks collected by Kamchatican expedirion of F. P. Ryabushinsky in 1908–1909. Ezhegodnik Zoologicheskogo Muzeya Akademii Nauk SSSR 27.
(intro'd as intra-sp. of Mya margaritifera Linnaeus, 1758)
Rosén, 1926. Ezhego. Zool. Muzeya Akadem. Nauk SSSR 27: 269.