The early date of Yicaris' presence has a number of implications. For one, it suggests that crustaceans were already around before the fuse of the Cambrian Explosion had even been lit, as it were.

A crustacean with 3,000 lenses in its eyes, 6-foot-long shrimplike creatures and organisms that looked like tulips emerged hastily (from an evolutionary perspective) on the scene some 520 million ...

Digging in the Lower Cambrian limestone deposits in Shropshire, England, scientists have unearthed some of the oldest examples ever found of crustaceans¿a class of animals that includes lobsters ...

For over a century, the Cambrian arthropod Helmetia expansa remained a mystery. Discovered by paleontologist Charles Doolittle Walcott in 1918, it was initially classified as a crustacean. Despite ...

The oldest fossil crustaceans ever found are helping to prove that the evolutionary explosion of animals was not so explosive after all. The tiny, half-millimetre-long fossils were found in ...

A new study led by scientists at the Royal Ontario Museum (ROM), after analyzing pristine fossil samples from the Burgess ...

Considering the fossils of the Cambrian, the oldest fossil-bearing rocks known during his time, Charles Darwin wrote the following in the 6th edition of On the Origin of Species; … it cannot be ...

A newly described creature from the Cambrian period is putting a bizarre twist on what we thought we knew about early animal evolution. Meet Mosura fentoni—a three-eyed, clawed, and flappy ...

(Modern-day examples include insects and crustaceans.) ... (1 m) long and was the Cambrian's biggest predator. But Anomalocaris lived and hunted in the ocean's water column, ...

The Anomalocaris canadensis, a long arthropod with spiny claws resembling a shrimp, is thought to have been a major predator during the Cambrian era. But in one fossil Moysiuk's team worked with ...

Insects, spiders, crustaceans, ... These hard structures appear suddenly in the fossil record between 550 to 520 million years ago, when the Cambrian Explosion took place. Shutterstock.

This Cambrian period critter is now considered a part of a specific group of arthropods called the mandibulates, who went on to become some of the most successful animals on our planet in and out ...