Paratropical floral extinction in the Late Palaeocene-Early EoceneDOI: info:10.1144/0016-76492006-027v. 164No. 2323–332
Harrington, Guy J. and Jaramillo, Carlos A. 2007. "Paratropical floral extinction in the Late Palaeocene-Early Eocene." Journal of the Geological Society, London, 164, (2) 323–332. https://doi.org/10.1144/0016-76492006-027.