A predator that swam Earth's oceans more than half a billion years ago is unlike any creature that lives on our planet today.

Scientists have uncovered a remarkable fossil from Canada's Burgess Shale, a discovery that reshapes how the evolution of ...

It turns out that preservation of these structures is widespread, confirming the ancient origin of this type of circulatory ...

Paleontologists have discovered that a three-eyed sea moth predator lived on Earth half a billion years ago with evidence found in one of the most fossil-rich areas of the world.

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

Mosura fentoni, also dubbed “sea moth” due to its broad swimming flaps and narrow abdomen, was a member of an extinct group of animals called radiodonts, which included the meter-long marine predator ...

Canadian paleontologists recently discovered Mosura fentoni, a 506-million-year-old predator resembling a moth. The discovery offers insights into extinct radiodonts' anatomy.

Arthropods are the most diverse group in ... It’s integral to the thin tracheal tubes that make up their respiratory system and the hairs that collect pollen. The thick hair of this female ...

It has a shape resembling structures in its modern relatives such as horseshoe crabs, woodlice, and insects, where respiratory ... arthropods. Mosura also had an open circulatory system, where ...