The Wengener Schichten Formation is a geologic formation in Montenegro. It preserves bivalve and brittle star fossils dating back to the Ladinian of the Triassic period. Fossil content The following fossils were reported from the formation: Bivalves Ostreida Halobiidae Daonella lommeli Ophiuroidea Ophiurida Ophiodermatidae Palaeocoma raiblana See also List of fossiliferous stratigraphic units in Montenegro References Bibliography Geologic formations of Montenegro Triassic System of Europe Ladinian Stage Mudstone formations Deep marine deposits Paleontology in Montenegro