Author: Riedel, A., 1980.:
Title: Genera Zonitidarum. Diagnosen supraspezifischer Taxa der Familie Zonitidae (Gastropoda, Stylomathophora).
Description: Rotterdam: Backhuys. 8vo. Pp. 197, 293 figs., 2 plates, bibliogr., index. Hardbound, orig. boards. Fine.

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