Schileyko, A. A. (2002). Treatise on Recent terrestrial pulmonate molluscs. Part 8. Punctidae, Helicodiscidae, Discidae, Cystopeltidae, Euconulidae, Trochomorphidae. Ruthenica. Supplement 2: 1035-1166. Moskva [January].
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Schileyko, A. A.
2002
Treatise on Recent terrestrial pulmonate molluscs. Part 8. Punctidae, Helicodiscidae, Discidae, Cystopeltidae, Euconulidae, Trochomorphidae