Science
Fossil upends theory of how shark skeletons evolved, say scientists – The Guardian
Discovery of early bony fish casts doubt on ideas about sharks evolutionary history
The partial skull of an armoured fish that swam in the oceans over 400m years ago could turn the evolutionary history of sharks on its head, researchers have said.
Bony fish, such as salmon and tuna, as well as almost all terrestrial vertebrates, from birds to humans, have skeletons that end up made of bone. However, the skeletons of sharks are made from a softer material called cartilage even in adults.
Researchers have long explained the difference by suggesting the last common ancestor of a…
-
Noosa News24 hours agoDeath of German shepherd Arnie prompts Brisbane community action to protect pets caught up in crime
-
General17 hours agoARIA Awards 2025 winners: Amyl & The Sniffers and Ninajirachi dominate
-
Noosa News24 hours agoFrank Moneger identified as man accused of hit-and-run death of 17-year-old girl in Margate, Queensland
-
Noosa News17 hours agoPolice officer who tracked Toyah Cordingley’s phone gives evidence at Rajwinder Singh’s murder trial