pollen specimens magnified

cf. Choanopollenites sp., UF 18139-43421, Plate 1, figure 15 in David M. Jarzen and David L. Dilcher. 2006. Middle Eocene Terrestrial Palynomorphs from the Dolime Minerals and Gulf Hammock Quarries, Florida, U.S.A. Palynology, 30: 89-110.