Helmetia expansa was found to have walking legs and molting behavior, changing assumptions about its mobility and growth. For ...

“We need to study more than one specimen to see the species’ full range of morphology and preservation ... its mobility resembled that of trilobites. Even more unexpected was evidence ...

In contrast, trilobite size was strikingly correlated with fluctuations in marine redox (i.e., marine oxygen levels), especially during the well-known anoxic events of this interval.

Archaeologists unearthed skeletal remains of four people in a well-appointed Roman home, along with signs of their efforts to outlast the eruption of Mount Vesuvius. By Sara Novak One day in the ...

The Trustees of the British Museum Trilobites A discovery in an English garden led to the first direct evidence that man fought beast to entertain the subjects of the Roman Empire. A marble relief ...

A hunter dating back more than half a billion years has been discovered in Canada. Mosura fentoni was a trailblazer for modern arthropods, developing adaptations that some crustaceans and arachnids re ...

Sperm morphology refers to the form or shape of sperm, the male reproductive cell. Sperm of various plant and animal species differ from one another, sometimes in surprising ways. The sperm of ...

He explains how the beauty spot, now famed for the Dudley Bug trilobite fossil and part of the Unesco Geopark, was once south of the Equator, before a shift in the tectonic plates planted it ...