Tag Archives: Cockroaches

‘Exquisite’ dinosaur-age cockroaches discovered preserved in amber

by Rafi Letzter, LiveScience – 

These are the oldest cave-dwelling animals ever discovered.

A pair of 99-million-year-old cockroaches are rewriting the early history of the underworld.

The ancient roaches, found preserved in amber in Myanmar, are the oldest-known examples of “troglomorphic” organisms — creatures that adapted to the weird, dark environments of caves. And they’re the only such dark-adapted creatures known from the Cretaceous period, having scurried around in the world’s shaded crevices even as Tyrannosaurus rex walked the Earth. Nowadays, biologists have plenty of examples of cockroaches and of cave-dwelling insects with small eyes and wings, pale bodies, and long arms and antennae. But these specimens, from two distinct, related species, are the oldest animals ever found with those traits.

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