21Fossil sites
Omagari Formation
Omagari Formation in Japan: 21 fossil sites. Typical age: 27–23 million years (Paleogene, Cretaceous).
21Fossil sites
1Finds
27–23 million yearsTypical age
PaleogeneMain period
Where its fossils were found
PaleogeneCretaceous
By geological period
Paleogene18
Cretaceous3
What was found
Ammonites · 1Gaudryceras
Towns with the most fossil sites nearby
Other formations of the same period
Paleogene
Waita Formation 37Shitakara Formation 30Miyara Formation 29Okinoyama Formation 27Okinoshima Formation 24Kishima Formation 23Yamaga Formation 19Shimokine Formation 13Poronai Formation 9Maéjima Formation 8Futagojima Formation 8Shakubetsu Formation 7Tainohata Formation 7Koyagi Formation 6Morawan Formation 5Yubetsu Formation 5Shiratake Formation 5Tappu Formation 5Asagai Formation 4Akasaki Formation 4Jinnobaru Formation 4Kannondake Formation 4Teshibetsu Formation 4Yokawa Formation 4