The rich fossil repository known as the Burgess Shale was first discovered a century ago. Siobhan Roberts The fossil-hunting expedition began with a lung-busting hike, accompanied by an incessant ring ...

Palaeontologists are helping resolve the evolution and ecology of Odaraia, a taco-shaped marine animal that lived during the Cambrian period. Fossils reveal Odaraia had mandibles. Palaeontologists are ...

A new study, led by palaeontologists at the Royal Ontario Museum (ROM) is helping resolve the evolution and ecology of Odaraia, a taco-shaped marine animal that lived during the Cambrian period.

Paleontologists have unraveled a mystery surrounding a bizarre, prehistoric "taco-shaped" creature that has puzzled researchers for more than a century, a study has revealed. The roughly 8-inch-long ...

It was as if the fossil was grinning at us at the secrets it had been hiding,” said Dr. Martin Smith, but he remembered the time when a 500-million-year-old riddle all at once became clear.

a, A complete specimen with antennae and limbs (USNM PAL 65510). b, Limbs of GSC 34695a showing various degrees of flexure and extension. The Burgess Shale in British Columbia is renowned for its ...

Cambrian Period creatures known as sea moths seemed alien because of their additional eye, but a study finds anatomical features more in line with modern animals. An artist’s impression of Mosura ...