![Fossilized Scaphohippus sumani teeth](http://upload.wikimedia.org/wikipedia/commons/thumb/2/20/Scaphohippus_sumani_UCMP.jpg/100px-Scaphohippus_sumani_UCMP.jpg)
- ... that the fossil horse Scaphohippus became extinct when tectonic barriers between the Great Plains and Great Basin of North America disappeared about 13 million years ago?
- ... that the extinct Phlebotominae sandfly Pintomyia falcaorum is known only from Miocene age Dominican amber found on Hispaniola?
- ... that oviraptorosaurs were thought to be egg-eaters after the discovery of Oviraptor on a nest of presumed Protoceratops eggs, until the nest was recognized as belonging to Oviraptor itself?
- ... that the Paleozoic monoplacophoran Pilina unguis was twice as large as any known living monoplacophoran?
- ... that coal balls are not made of coal?
![A life restoration of Aquilops](http://upload.wikimedia.org/wikipedia/commons/thumb/5/5f/Aquilops.png/100px-Aquilops.png)
- ... that Aquilops ("eagle face") is the most ancient definite neoceratopsian discovered in North America?
- ... that the recently described genus Koilamasuchus from the Early Triassic of Argentina is the best-known early archosauriform in South America?
- ... that fossils of Yelovichnus were initially believed to be the feeding trails of other organisms?
- ... that, together with Platychelys, Pleurosternon is one of the few fossil genera with characteristics of both modern turtle suborders?
- ... that the extinct ant Anochetus brevidentatus was the second Anochetus species described from Dominican amber?