Purely Mesozoic, Mixed or Uncertain Periods (based on Wikipedia, List of Fossil Sites)

Jurassic - Cretaceous

Europe
Riodeva	Spain
South America
Beauvoir Formation	Argentina	Upper Jurassic – Lower Cretaceous

Jurassic or Cretaceous

Asia
Daohugou Beds	China

Triassic – Jurassic

Africa
Elliot Formation	South Africa
North America
Zion National Park	USA: Utah

Mesozoic

Europe
Pobiti Kamani	Bulgaria
North America
Drumheller, Badlands	Canada: Alberta
South America
Paja Formation	Colombia