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  1. Bedding plane assemblages of Promissum pulchrum, a new giant Ashgill conodont from the Table Mountain Group, South Africa
    By: Theron, J N - Rickards, R B - Aldridge, R J
    Type: Article
    In: Palaeontology
    Volume: 33
    Date: 1990
    Page Range: 577--594
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  2. Conodonts from the Upper Permian strata of Nottinghamshire and North Yorkshire
    By: Swift, A - Aldridge, R J
    Type: Article
    In: Palaeontology
    Volume: 25
    Date: 1982
    Page Range: 845--856
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  3. A fused cluster of coniform conodont elements from the late Ordovician of Washington Land, western north Greenland
    By: Aldridge, R J
    Type: Article
    In: Palaeontology
    Volume: 25
    Date: 1982
    Page Range: 425--430
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  4. LLANDOVERY CONODONTS FROM THE WELSH BORDERLAND
    By: Aldridge, R J
    Type: Article
    In: Bulletin of The British Museum (Natural History) Geology
    Volume: 22
    Date: 1972
    Page Range: 127--231
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  5. A new eurypterid from the Late Ordovician Table Mountain Group, South Africa
    By: Braddy, S J - Aldridge, R J - Theron, J N
    Type: Article
    In: Palaeontology
    Volume: 38
    Date: 1995
    Page Range: 563--581
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  6. The Silurian conodont Ozarkodina sagitta and its value in correlation
    By: Aldridge, R J
    Type: Article
    In: Palaeontology
    Volume: 18
    Date: 1975
    Page Range: 323--332
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