fossil gallery


Return to Fossil Museum Home

From the first dawn of life, all organic beings are found to resemble each other in descending degrees, so they can be classed in groups under groups.

Charles Darwin, Origin of Species, Chapter 13


Order Plecoptera appeared in the Permian, is highly diverse and includes insects that go by the common name of stoneflies. Some 1600 extant species of Plecoptera are known. The adult does not live long after mating. Plecoptera life cycle is dominated by a period as aquatic nymphs that are important predators, and also significant prey.