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Western Interior Cretaceous

by Caldwell, W. G. E.
Published 1975

A new dasycladacean alga associated with the 'Arctic Ordovician' fauna on Cornwallis Island

by Lee, D. G., Caldwell, W. G. E.
Published in Canadian Journal of Botany (1977)

Late Ordovician brachiopods Rafinesquina lata Whiteaves, 1896 and Kjaerina hartae n.sp. from southern Manitoba and the Hudson Bay Lowlands

by Jin, Jisuo, Caldwell, W. G. E., Norford, B. S.
Published in Canadian Journal of Earth Sciences (1995)

Late Ordovician brachiopods Rafinesquina lata Whiteaves, 1896 and Kjaerina hartae n.sp. from southern Manitoba and the Hudson Bay Lowlands

by Jin, Jisuo, Caldwell, W. G. E., Norford, B. S.
Published in Canadian Journal of Earth Sciences (1995)