Search Result for "eocene_epoch":
Wordnet 3.0

NOUN (1)

1. from 58 million to 40 million years ago; presence of modern mammals;
[syn: Eocene, Eocene epoch]



WordNet (r) 3.0 (2006):

Eocene epoch
    n 1: from 58 million to 40 million years ago; presence of modern
         mammals [syn: Eocene, Eocene epoch]