Evolution: Fossils reveal butterflies' history

The world’s largest butterfly tree of life is helping researchers determine where the winged insects originated when they first appeared on Earth about 100 million years ago.

Meet the butterflies from 200 million years ago

Butterflies evolved from moths about 100 million years ago in North America : NPR

Lepidoptera - Wikipedia

A Powder snow Butterfly

A Powder snow Butterfly

Fossils show butterflies appeared on Earth before flowers

Evolutionary history of butterflies and moths

Fossils reveal butterfly 'tree of life' and origins

PDF) A global phylogeny of butterflies reveals their evolutionary history, ancestral hosts and biogeographic origins

Family tree of 'boring' butterflies reveals they're anything but

New Research Reveals New Origins for Butterflies, Blog, Nature

Butterflies in the Time of Dinosaurs, with Nary a Flower in Sight - Scientific American Blog Network

New Research Reveals New Origins for Butterflies, Blog, Nature

Butterflies Forty Million Years Before Butterflies

Fossils show butterflies existed before flowers •