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Article: Polymorphinidae from the Upper Cretaceous of England

Publication: Palaeontology
Volume: 5
Part: 4
Publication Date: January 1963
Page(s): 712 726
Author(s): Tom Barnard
Addition Information

How to Cite

BARNARD, T. 1963. Polymorphinidae from the Upper Cretaceous of England. Palaeontology5, 4, 712–726.

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The Palaeontological Association (Free Access)


Various Cretaceous species of Polymorphinidae have irregular Jistulose end-chambers. Similar forms occur from the Jurassic to Recent. The Upper Cretaceous fistulose forms are considered to be abortive offshoots from either the chief smooth species or from the rarer ornamented forms. Their taxonomic significance and occurrence is discussed.
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