- ... that fossils from the Paleocene-age Cerrejón Formation (El Cerrejón Mine) in Colombia are the earliest record of Neotropical rainforests?
- ... that the extinct maple section Torada is only known from the three Eocene species A. stonebergae, A. toradense, and A. washingtonense?
- ... that the extinct brown lacewing Cretomerobius is known from both the Cretaceous and Eocene?
- ... that Plesiopithecus, a fossil primate from the late Eocene in Egypt, closely resembles the aye-aye of Madagascar and raises questions about the evolutionary history of lemurs?
- ... that the extinct North American Oligocene-age vulture Phasmagyps may be the oldest New World vulture?