- ...that although related to modern filter feeding baleen whales, the recently discovered prehistoric whale Janjucetus had large serrated teeth implying that it fed on large fish or even sharks?
- ... that the extinct planthopper Ordralfabetix is named for a character from The Adventures of Asterix?
- ... that the fossil ant genus Archiponera is known from a single pair of fossils described in 1930?
- ... that the type specimen of the extinct tortoise beetle Denaeaspis is only 6.04 millimetres (0.238 in) long?
- ... that the extinct parasitic wasp genus Aspidopleura is known from only two fossils found in Baltic amber?