Mystery Fossil Challenges What We Know About Early Land Life, A Major Rewrite for Evolutionary History ...

To some extent classification is subjective. Taxonomists differ in the relative importance they ascribe to particular characters and in the degree of difference between related taxa they deem ...

The meaning of taxonomic statements / George Gaylord Simpson -- East African fossil Hominoidea and the classification within the super-family / L.S.B. Leakey -- Quantitative taxonomy and human ...

Arthur Cronquist, a senior scientist at the New York Botanical Garden who developed an evolutionary classification system for flowering plants that has become a standard in the field, died March 22.

A remarkably preserved 150-million-year-old shark fossil is forcing researchers to reconsider how modern sharks evolved. The species, Bavariscyllium, displays a mix of features that do not align with ...