Hilbert. 1912. Schr. Königsberg. Phys. Ges. 52.
Hilbert, 1912. Schr. Königsberg. Phys. Ges. 52: 270.
(intro'd as intra-sp. of Mytilus anatinus Linnaeus, 1758)
Hilbert, 1912. Schr. Königsberg. Phys. Ges. 52: 271.
(intro'd as intra-sp. of Unio tumidus Philipsson in Retzius, 1788)