Bruggen, A. C. van. (1982). Phortion occidentalis n. sp., an extinct endodontoid land snail from Late Tertiary deposits at Langebaanweg, Cape Province. South African Journal of Science. 78: 108–111.
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Bruggen, A. C. van
1982
<i>Phortion occidentalis</i> n. sp., an extinct endodontoid land snail from Late Tertiary deposits at Langebaanweg, Cape Province