Cambrian animals would have needed more oxygen ... into Ediacaran oceans by studying oxygen-depleted regions in modern seas around the globe. He suggests that biologists have conventionally ...

but it could be related to how or where it lived—maybe hanging out in low-oxygen environments in the lively Cambrian seas, or leading an especially active lifestyle. Its unique shape ...

The Cambrian seas were a chaotic laboratory, and Opabinia was one of its most memorable inventions. Opabinia’s fossilized remains were first uncovered in the early 20th century, but their true ...

Just one look at its alien features and you’ll understand why scientists and fossil hunters alike have been captivated by this spectacular, almost monstrous, ruler of ancient seas. The Cambrian ...

Amos The iconic arthropods of the Cambrian were the trilobites, which left a huge number of fossils. Trilobites had flattened, segmented, plated bodies that helped to protect them in seas that ...

A new filter-feeding giant that trolled the Cambrian seas has been unearthed in Greenland. The species, dubbed Tamisiocaris borealis, used large, bristly appendages on its body to rake in tiny ...

Compared to other creatures of the Cambrian seas, Synophalos xynos seems rather plain. It was not a living pincushion like Wiwaxia, its body did not resemble a walking cactus like Diania, ...

A newly discovered arthropod fossil, Mosura fentoni, has preserved eyes, nerves, and blood vessels - a rare insight into early arthropods.

To avoid becoming prey in the competitive Cambrian seas, penis worms suited up for protection. A 2021 study in the journal Current Biology found that these animals inhabited cone-shaped shells ...

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Instead, he thinks Burgessomedusa joins a swarm of jellyfish species that patrolled Cambrian seas. “It really adds to the compelling body of evidence indicating that medusozoans, which are a ...