Synonyms: Cinulia obliqua and Oligoptycha obliqua.
Stratigraphic Occurrences
Maastrichtian
Moreno Formation (Tierra Loma Shale) (CA)
Campanian
Cedar District Formation (British Columbia, Washington)
Chico Formation ("Pentz Road" Member) (CA)
Chico Formation (Ten Mile Member) (CA)
Pigeon Point Formation (CA)
Williams Formation (Pleasants Sandstone) (CA)
Williams Ladd Formation (Schulz Ranch Sandstone) (CA)
Biplica obliqua from the Chatsworth Formation of California (LACMIP 26994.17).Biplica obliqua from the Chatsworth Formation of California (LACMIP 26994.17).Biplica obliqua from the Chatsworth Formation of California (LACMIP 26994.17).