Science
Ancient Bony Fish Forces Rethink of How Sharks Evolved – HeritageDaily
Sharks’ non-bony skeletons were thought to be the template before bony internal skeletons evolved, but a new fossil discovery suggests otherwise. – HeritageDaily – Archaeology News
Sharks’ non-bony skeletons were thought to be the template before bony internal skeletons evolved, but a new fossil discovery suggests otherwise.
The discovery of a 410-million-year-old fish fossil with a bony skull suggests the lighter skeletons of sharks may have evolved from bony ancestors, rather than the other way around.
Sharks have skeletons made cartilage, which is around half the density of bone. Cartilaginous skeletons are known to evolve before bony ones, but it was thought that sha…
-
Noosa News22 hours agoEnsure voices are heard – Proctor
-
Noosa News24 hours agoCity of Moreton Bay claims homeless people consented to having camps thrown away
-
Business23 hours agoASX ETFs to target amidst an ageing population
-
Noosa News17 hours agoMajor crash on Gateway Motorway snarls morning commute