- ... that with a 20 million year fossil record, Acer chaneyi (holotype fossil pictured) has the longest fossil record of the Western North American maples?
- ... that the extinct Actinidia oregonensis was the first kiwi relative described from North America?
- ... that the extinct snakefly Agulla protomaculata is the only snakefly described from the Green River Formation?
- ... that the extinct winter-hazel species Corylopsis readae was described from a single Ypresian fossil?
- ... that the extinct mason bee species Anthidium exhumatum and Anthidium scudderi are known from the Eocene Florissant Formation in Colorado?