- winged mayflies with withered wing margins
- unlucky mayfly nymphs with disarticulated heads
- dragonfly nymphs with extended mouth apparatus
They are the *exceptions*. Most Crato Formation aquatic insects fossilized quickly and are well-preserved.
- winged mayflies with withered wing margins
- unlucky mayfly nymphs with disarticulated heads
- dragonfly nymphs with extended mouth apparatus
They are the *exceptions*. Most Crato Formation aquatic insects fossilized quickly and are well-preserved.