Lithornithidae
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Lithornithidae is an extinct, possibly paraphyletic group of early paleognath birds. They are known from fossils dating to the Upper Paleocene through the Middle Eocene of North America and Europe, wi
Struthio camelus Etosha 2014 white background
Aepyornis white background
Euryapteryx
Messel Pit
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The Messel Pit is a fossil preservation site in Hesse, central Germany, dated to the Eocene epoch. The fossil-bearing rock unit is a geologic formation named the Messel Formation; its geographic range
Weathered bituminous shale of the Messel Formation
Outcrop of the Messel oil shale near the center of the pit
A fossil of the primitive mammal Kopidodon, showing outline of fur