Sterki, V. 1930. Sphaerium Scopoli; Sulcastrum, new subgenus, and S. fallax, new species. Nautilus 43(3): 93-95. Available electronically.
Sterki, 1930. Nautilus 43(3): 93.
Sterki, 1930. Nautilus 43(3): 95.
(intro'd as intra-sp. of Cyclas sulcata Lamarck, 1818)
Sterki, 1930. Nautilus 43(3): 93.