The Late Jurassic Morrison Fm. of North America wins, Dinosaur Park Fm. comes in a close second, China's Yixian Fm. 3rd place.
North America
Late Cretaceous
Dinosaur Park Fm. 43 genus, 49 species
Judith River Fm. 24 genus, 39 species
Horseshoe Canyon Fm. 18 genus, 18 species
Two Medicine Fm, 17 genus, 17 species
Lance Fm. 14 genus, 18 species
Kirtland Fm. 14 genus, 15 species
Hell Creek Fm. 10 genus, 10 species
Early Cretaceous
Cedar Mt. Fm. 24 genus, 25 species
Cloverly Fm. 8 genus, 8 species
Arundel Fm. 7 genus, 8 species
Late Jurassic
Morrison Fm. 49 genus, 73 species
Early Jurassic
Kayenta Fm. 5 genus, 5 species
Late Triassic
Chinle Fm. 7 genus, 7 species
Dockum 1 genus, 1 species
South America
Late Cretaceous
Anacleto Fm. 12 genus, 12 species
Bajo de la Carpa Fm. 12 genus, 12 species
Huincul Fm. 11 genus, 11 species
Allen Fm. 10 genus, 10 species
Early Cretaceous
La Amarga Fm. 4 genus, 4 species
Early Jurassic
CaÃadÃn Asfalto Fm. 8 genus, 8 species
Late Triassic
Santa Maria Fm. 9 genus, 9 species
Ischigualasto Fm. 8 genus, 8 species
Los Colorados Fm. 5 genus, 5 species
Europe
Late Cretaceous
GrÃnbach Fm. 9 genus, 9 species
SÃnpetru Fm. 8 genus, 8 species
Conques Fm. 5 genus, 5 species
Early Cretaceous
Wessex Fm. 20 genus, 24 species
Grinstead Clay Fm. 8 genus, 8 species
Cambridge Greensand 6 genus, 9 species
Late Jurassic
Lourinhà Fm. 10 genus, 11 species
Kimmeridge Clay 8 genus, 8 species
Solnhofen Fm. 2 genus, 3 species
Middle Jurassic
Oxford Clay 7 genus, 7 species
Forest Marble 3 genus, 4 species
Late Triassic
Trossingen Fm. 7 genus, 15 species
Stubensandstein 8 genus, 8 species
Africa
Late Cretaceous
Maevarano Fm. 7 genus, 7 species
Baharija Fm. 4 genus, 4 species
Kem Kem Beds 4 genus, 4 species
Early Cretaceous
Elrhaz Fm. 9 genus, 9 species
Kirkwood Fm. 3 genus, 3 species
Dinosaur Beds Fm. 2 genus, 2 species
Late Jurassic
Tendaguru Fm. 16 genus,17 species
Middle Jurassic
Irhazer 3 genus, 3 species
Early Jurassic
Upper Elliott Fm. 21 genus, 25 species
Clarens Fm. 5 genus, 5 species
Bushveld Ss. Fm. 2 genus, 2 species
Late Triassic
Lower Elliot Fm. 12 genus, 14 pecies
Asia
Late Cretaceous
Nemegt Fm. 27 genus, 27 species
Djadokhta Fm. 21 genus, 22 species
Barun Goyot Fm. 13 genus, 13 species
Bayan Shireh Fm. 13 genus, 13 species
Early Cretaceous
Yixian Fm. 39 genus, 41 species
Xiagou Fm. 8 genus, 8 species
Zhonggou Fm.. 7 genus, 7 species
Late Jurassic
Xiashaximiao Fm. 17 genus, 22 species
Shishugou Fm. 17 genus, 17 species
Shangshaximiao Fm. 13 genus, 17 species
Middle Jurassic
Zhanghe Fm. 5 genus, 5 species
Early Jurassic
Lufeng Fm. 17 genus, 18 species
Fengjiahe Fm. 3 genus, 3 species
Antarctica
Late Cretaceous
Snow Hill Island Fm. 4 genus, 4 species
Early Jurassic
Hanson Fm. 2 genus, 2 species
Australia
Late Cretaceous
Griman Creek Fm. 5 genus, 5 species
Winton Fm. 4 genus, 4 species
Early Cretaceous
Eumeralla Fm. 4 genus, 4 species
Wonthaggi Fm. 3 genus, 3 species
Allaru Fm. 2 genus, 2 species
Late Jurassic
Walloon Coal Measures 1 genus, 1 species
Middle Jurassic
Colalura Ss. 1 genus, 1 species
India
Late Cretaceous
Lameta Fm. 16 genus, 19 species
Vitakri Fm. 7 genus, 7 species
Early Jurassic
Kota Fm. 3 genus, 3 species
Late Triassic
Lower/Upper Maleri Fm.4 genus, 4 species
On December 28, 2020 at 6:09 AM Poekilopleuron <dinosaurtom2015@seznam.cz> wrote:
Good day!
Is there any kind of list of the "richest" geological formations with the highest number of known valid dinosaur genera/species? My guess is that the Dinosaur Park Fm. would be on top? Thank you very much, in advance! Tom