Geologic Range

• Early Cretaceous - present

• Pollen found from Early Cretaceous

  • Tetrahedral tetrads, Walkeripollis (Doyle et al. 1992)

• Two flowers from Late Cretaceous, Cronquistifolia and Detrusandra

  • Laminar stamens and monosulcate pollen (Crepet and Nixon 1998)