| Registros del 1 al 3 de 3 encontrados |
 1.- CALLOVIAN OSTRACODA FROM THE OXFORD CLAY OF SOUTHERN ENGLAND
2001
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 2.- FORAMINIFERA FROM THE LOWER OXFORD CLAY (CALLOVIAN STAGE) OF THE NORMAN'S CROSS PIT, NEAR PETERBOROUGH, CAMBRIDGESHIRE;
1983
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 3.- FORAMINIFERA FROM THE LOWER OXFORD CLAY (CALLOVIAN STAGE) OF THE NORMAN'S CROSS PIT, NEAR PETERBOROUGH, CAMBRIDGESHIRE;
1983
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