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PLANTHOPPER
Age: 25 million years old
Location: Dominican Republic
Period: Oligocene
The 25-million-year-old planthopper pictured is identical to
present-day planthoppers. These insects, which have remained unchanged
despite the passage of millions of years, refute the theory of
evolution. |
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JUMPING SPIDER
Age: 25 million years old
Size: 16 millimeters (0.6 in) by 10 millimeters (0.3 in)
Location: The mountains near Santiago, Dominican Republic
Period: Oligocene
This piece of amber contains a jumping spider from the family
Salticidae. These spiders take their name from the way they jump onto
their prey, leaping up to 50 times their own length. In addition to the
four eyes at the front of their heads, they also have four small eyes
with flawless structures in immediate proximity to these, which they use
to identify their prey.
Just like their present-day counterparts, jumping spiders that lived
millions of years ago had a complete, flawless structure. And over
millions of years, no change has taken place in that structure. The
25-million-year amber illustrated is proof of that.
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