3 ms·
There were proto-mammals then, similar to possums. https://www.thoughtco.com/the-first-mammals-1093311 https://www.thoughtco.com/the-first-mammals-1093311
by rarec 9y ago
There were proto-mammals then, similar to possums.
https://www.thoughtco.com/the-first-mammals-1093311 https://www.thoughtco.com/the-first-mammals-1093311