An ant preserved in amber and its modern counterpart
New informatic tools help ecologists compare the worldwide distribution of ants over time. The 20 million years old ant preserved in amber on the left is a species of turtle ant from the genus Cephalotes which was found in the Dominican Republic. The living ant on the right is a related species, Cephalotes cf. laminatus, from Venezuela. Pictures by Benoit Guénard.
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