arstechnica , 28 days ago Bizarre egg-laying mammals once ruled Australia—then lost their teeth Finds may indicate what the common ancestor of the platypus and echidna looked like. https://arstechnica.com/science/2024/06/bizarre-egg-laying-mammals-once-ruled-australia-then-lost-their-teeth/?utm_brand=arstechnica&utm_social-type=owned&utm_source=mastodon&utm_medium=social
Bizarre egg-laying mammals once ruled Australia—then lost their teeth
Finds may indicate what the common ancestor of the platypus and echidna looked like.
https://arstechnica.com/science/2024/06/bizarre-egg-laying-mammals-once-ruled-australia-then-lost-their-teeth/?utm_brand=arstechnica&utm_social-type=owned&utm_source=mastodon&utm_medium=social
llewelly , 27 days ago @arstechnica I think there's a small typo here: "... during the Cenomanian age of the early Cretaceous." but, according to the ICS, the Cenomanian is the beginning of the Late (or Upper) Cretaceous ; see https://stratigraphy.org/ICSchart/ChronostratChart2023-09.pdf
@arstechnica I think there's a small typo here: "... during the Cenomanian age of the early Cretaceous."
but, according to the ICS, the Cenomanian is the beginning of the Late (or Upper) Cretaceous ; see https://stratigraphy.org/ICSchart/ChronostratChart2023-09.pdf