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Microplankton from the Speeton Clay of Yorkshire
Name | Original Description |
Neale, J.W. and Sarjeant, W.A.S. (1962)
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Sarjeant, W.A.S. (1966b)
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Neale, J.W. and Sarjeant, W.A.S. (1962)
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Neale, J.W. and Sarjeant, W.A.S. (1962)
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