BioStor
 | A Preliminary Conspectus of the Allon Flora from the Late Cretaceous (Late Santonian) of Central Georgia, U.S.A Patrick S Herendeen, Susana Magallon-Puebla et al. (1999) Annals of the Missouri Botanical Garden 86: 407-471 |
 | Early Angiosperm Diversification: The Diversity of Pollen Associated with Angiosperm Reproductive Structures in Early Cretaceous Floras from Portugal Else Marie Friis, Kaj Raunsgaard Pedersen and Peter R Crane (1999) Annals of the Missouri Botanical Garden 86: 259-296 |