British evolutionary biologist JBS Haldane claimed that beetles make up 40% of extant insects, passerines represent 60% of ...

A groundbreaking study has traced the 66-million-year evolutionary history of primates and overturned conventional thought that our ancestors originally inhabited warm tropical forests. Using advanced ...

The British evolutionary biologist JBS Haldane is said to have quipped that any divine being evidently had "an ordinate ...

We also review the primate fossil record that provides a detailed record of our natural history. In so doing, we learn how scientists reconstruct the behavior of extinct creatures, reconstruct past ...

A variety of means, including forelimb proportions and shell bone histology have been used to infer the paleoecology of extinct turtles. However, the height-to-width ratio of the shell (as a ...

Extant amphibians are an outstanding example in this field, because their life cycles are complex and have been intensively studied. At the same time, fossil material of Paleozoic amphibians has ...

Presents taxonomic information for ants worldwide, including extinct as well as extant taxa. Incorporates all taxonomic papers, from 1758 through 2005, on 14,550 species and subspecies of ants. Allows ...