Obispo Formation, Bolivia
The Obispo Formation is a Dapingian geologic formation of southern Bolivia. The shales and siltstones were deposited in an open marine environment.
Fossil content
The formation has provided the following fossils:Camerella sp.Ceratiocaris sp.Didymograptus sp.Dinorthis sp.Endoceras sp.Euorthisina sp.Hoekaspis sp.Hypermecaspis sp.Incorthis sp.Megistaspis sp.Niobides sp.Orthis sp.Orthoceras sp.Pachendoceras sp.- ''Thysanopyge sp.''