Phenacohelix mahlfeldae, Goulstone, James Frederick, 2001

Goulstone, James Frederick, 2001, A revision of the genus Phenacohelix Suter, 1892 (Mollusca: Pulmonata) with descriptions of four new species and reassignment of Thalassohelix ziczag (Gould, 1846), Records of the Auckland Museum 38, pp. 39-82 : 59

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