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Agriotherium (Mammalia, Ursidae) from Langebaanweg, South Africa, and relationships of the genus
Vol 81, Page 1, Date 1980
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On the validity of the therocephalian family Lycosuchidae (Reptilia, Therapsida)
Vol 81, Page 111, Date 1980
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Devonian fish and plants from the Bokkeveld Series of South Africa
Vol 81, Page 127, Date 1980
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Ontogeny and sexual dimorphism in Aulacephalodon (Reptilia, Anomodontia)
Vol 81, Page 159, Date 1980
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Th Umzamba Formation at its type section, Umzamba Estuary (Pondoland, Transkei), the ammonite content and palaeogeographical distribution
Vol 81, Page 207, Date 1980
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Environmental and ecological implications of large mammals from Upper Pleistocene and Holocene sites in southern Africa
Vol 81, Page 223, Date 1980