Author:

McIver,E.E.;Sweet,A.R.;Basinger,J.F.

Year:

1991

Title:

Sixty-Five Million year old flowers bearing pollen of the extinct Triprojectate complex: A Cretaceous-Tertiary boundary survivor.

Reference:

McIver,E.E. et al. (1991) Sixty-Five Million year old flowers bearing pollen of the extinct Triprojectate complex: A Cretaceous-Tertiary boundary survivor. Review of Palaeobotany and Palynology Vol. 70 # 1 P. 77- 88

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