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.

Derek E. G. Briggs is a palaeontologist at the Department of Earth and Planetary Sciences and curator at the Peabody Museum of Natural History at Yale University in New Haven, Connecticut.

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 ...

Get Instant Summarized Text (Gist) The reaction between syn-CH 3 CHOO Criegee intermediates and atmospheric water vapor occurs about 100 times faster than previously estimated, due to a "roaming ...

Females reign supreme in bonobo society by working together to keep males in their place. By Annie Roth Male domination is the natural order of things, some people say. But bonobos, primates with ...

At first, it was speculated it preyed on hard-shelled creatures like trilobites, but recent studies suggest it likely hunted faster, soft-bodied animals instead. What’s interesting is that even ...

Where are you calling from? RA: We’re sitting on our porch. Advertisement MB: Trilo, like “trilobite.” Trilobites were the first marine arthropod to develop complex eyesight, so we gave a ...

More than 600 species can be found in the 390-million-year-old fossil beds. Visitors can find trilobites, coral, snails and clams among other species of fossils along the riverbank. The park has ...

Currently, the state fossil is the Phacops rana, a type of Trilobite. "It's a bottom feeding Arthropod—which is a bug, and it's very common, found in multiple geological layers," said Mason.