The history of Earth's biodiversity is punctuated episodically by mass extinctions. These are
characterized by major declines of taxon richness, but the accompanying ecological …

Vascular plant reproductive structures have undoubtedly become more complex through
time, evolving highly differentiated parts that interact in specialized ways. But quantifying …

A central question in the study of mass extinction is whether these events simply intensify
background extinction processes and patterns versus change the driving mechanisms and …

Abstract The Mesozoic Marine Revolution restructured the world's ocean biodiversity into the
complex marine ecosystems of today. This revolution began during the Triassic but the …

The world in which we live is a world of action, of machines and living things doing work.
The work varies and changes, as do the contraptions and organisms doing it; but there is …

In some instances, additional interpretations of tetrapod footprints need to be made taking
into consideration the paleoenvironmental context. The extramorphological variation of the …

Earth's biosphere is undergoing drastic reorganization due to the sixth mass extinction
brought on by the Anthropocene. Impacts of local and regional extirpation of species have …

Tetrapods currently comprise over 30,000 species distributed globally and occupying a
stunning diversity of bodyplans and ecologies. After many years of fruitful work, the early …