blog posts Ancient katydid fossil reveals muscles, digestive tract, glands, testicle Jun 23, 2023 11:45 am by Diana YatesDiscovery Share on Facebook Tweet Email Images “Now we know that about 50 million years ago, this genus had already evolved and already had a morphology that mimics the grass in which it lives and hides from predators,' said Sam Heads, director of the U of I’s Center for Paleontology. Share on Facebook Tweet Email