Wikipedia
Goniodelphis
Goniodelphis hudsoni is an extinct genus of Iniidae (river dolphin) known from the waters of Florida during the Miocene ~14.9—11.5 through 9.1—8.7 Ma ( AEO).
The fossil specimens were found in just four phosphate mines in Polk County, Florida. These mines were:
- American Agricultural Chemical Company ( Serravallian)
- Fort Green ( Hemphillian)
- Payne Creek (Hemphillian)
- Gardinier ( Zanclean)