Aviculopecten occidentalis

Geological Range

Morrowan to Virgilian (also Mississippian); Extinct.

Paleogeographic Distribution

Texas to Nebraska.

Stratigraphic Occurrences

Virgilian

Kanwaka Shale (KS)

Oread Limestone (Kereford Limestone Member) (KS)

Root Shale (French Creek Shale Member) (NE)

Topeka Limestone (OK)

Missourian

Bonner Springs Shale (KS)

Checkerboard Formation (KS)

Cherryvale Shale (Westerville Limestone Member) (KS)

Drum Limestone (KS)

Graford Formation (Brownwood Shale Member) (TX)

Lane Shale (KS)

Plattsburg Limestone (KS)

Plattsburg Limestone (Merriam Limestone Member) (KS)

Wyandotte Limestone (Farley Limestone Member) (KS)

Desmoinesian

Boggy Formation (OK)

Morrowan

Morrow Formation (AR)

Unknown Stage

Cherokee Shale (MO)

Coal Measures (KS)