Memoir (The Paleontological Society), Vol. 40, Supplement to Vol. 69, no. 3 of the Journal of Paleontology (May, 1995), pp. 1-23 (25 pages) Review of collections in Prague and at Harvard University, ...

This column is part of a series where Verge staffers post highly subjective reviews of animals. Up until now, we’ve written about animals without telling you whether they suck or rule. We are now ...

Fossils from 465 million years ago recently discovered in Portugal have revealed the huge size reached by trilobites, the most diverse group of extinct marine arthropods. Geologists describe the ...

Vol. 6, Supplement to Vol. 48, no. 5 of the Journal of Paleontology (Sep., 1974), pp. 1-54 (57 pages) The Middle Ordovician Simpson Group of southern Oklahoma consists of an exceptionally continuous ...

Fig.1: Tempo and mode in the body size evolution of Cambrian-Ordovician trilobites. Changes in maximum size (red) and mean size (blue) for each time slice, with lines and shading representing the mean ...

Fig. 4: Cambrian and Ordovician trilobite body size (A) and their correlation to the inferred oxygen levels (B) and temperature (C). (B) Ocean redox conditions and widespread anoxic intervals, showing ...

Chinese scientists have documented a new trilobite association during the Late Ordovician in Zhenxiong County, southwest China's Yunnan Province. This was reported by The Xinhua News Agency. The ...

Trilobites may have grown in a similar fashion and reached ages that match those of extant crustaceans, a new study has found. Trilobites -- extinct marine arthropods that roamed the world's oceans ...

With all of the news about irreversible global warming and environmental collapse, it’s time to take a look at one of the Earth’s mega-survivors: the versatile Trilobite. Throughout the Paleozoic era, ...

Long before the dawn of humans, dinosaurs, insects or even trees, a cascade of unfortunate events threatened to end life on earth. However, sometime around 445 million years ago, 85 percent of species ...

A team of researchers — including one from Texas State University in San Marcos — have discovered 10 new species of an extinct marine creature, a finding that scientists say could help piece together ...

Rachael has a degree in Zoology from the University of Southampton, and specializes in animal behavior, evolution, palaeontology, and the environment.View full profile Rachael has a degree in Zoology ...