19Fossil sites
Progreso Formation
Progreso Formation in Ecuador: 19 fossil sites. Typical age: 23–16 million years (Neogene).
19Fossil sites
0Finds
23–16 million yearsTypical age
NeogeneMain period
Where its fossils were found
Neogene
By geological period
Neogene19
Towns with the most fossil sites nearby
Other formations of the same period
Neogene