‘Exciting’ fossils found in NSW opal field suggest Australia had ‘age of monotremes’
Some time about 100m years ago in what is now the Australian opal field, a strange, furry, egg-laying, rabbit-sized mammal slithered through a water hole …
Some time about 100m years ago in what is now the Australian opal field, a strange, furry, egg-laying, rabbit-sized mammal slithered through a water hole …