Marsupials appear to have evolved during the Cretaceous in the contemporary northern hemisphere, to judge from a 100 million-year-old marsupial fossil, Kokopellia, found in the badlands of Utah.

Gogonasus (meaning "snout from Gogo") was a lobe-finned fish known from 3-dimensionally preserved 380 million-year-old fossils found from the Gogo Formation in Western Australia.

The 1959 discovery turned out to be a 1.8 million-year-old fossil known as the "nutcracker man" because of its huge jaws and molar teeth.

The banks have been washed to expose 350 million-year-old fossils from the Cambrian era.

About 30 million-year-old fossils were found in the Doberg, including a skull of a toothed whale (Easqualadon langewieschei) and a skeleton of a manatee (Anemotherium langewieschei).

The 100 million-year-old fossil is of part of the backbone of a pterosaur, a flying reptile.

The book shows pictures of million-year-old fossils, and pictures of modern-day animals which are claimed to be their modern day equivalent.

The 4 million-year-old fossils were found on a beach in Cape York Peninsula but were probably washed ashore after drifting with the currents for about 200 km.

A report published in the journal Nature says a 365 million-year-old fossil of a four-legged fish found in Latvia sheds new light on the process of Tetrapod evolution.

They say that a 15 million-year-old fossil of an African ape provides new evidence of a common ancestor of gorillas, chimps, and humans.