- ... 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 over 16 million years ago, four species of parrot in the genus Nelepsittacus made their home in subtropical rainforest in what is now Otago, New Zealand?
- ... that Urocyon progressus, a species of extinct fox, was formally described after two bones and a tooth were found?
- ... that the extinct Protosialis casca is one of only two known alderflies from the West Indies?
- ... that the ant Aphaenogaster avita was described from a fossil found in 1969?