paleocene | ||
1. | [ noun ] (geology) from 58 million to 63 million years ago; appearance of birds and earliest mammals | |
Synonyms: | Paleocene_epoch | |
Related terms: | epoch Tertiary | |
Similar spelling: |
Paulson Paulsen |
paleocene | ||
1. | [ noun ] (geology) from 58 million to 63 million years ago; appearance of birds and earliest mammals | |
Synonyms: | Paleocene_epoch | |
Related terms: | epoch Tertiary | |
Similar spelling: |
Paulson Paulsen |