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Nucula rivulana

Geological Range

Albian to Cenomanian

Paleogeographic Distribution

Texas to Kansas

Stratigraphic Occurrences

Cenomanian
Woodbine Formation (TX)
Woodbine Formation (Lewisville Member) (TX)
Albian
Kiowa Formation (KS)
<i> Nucula rivulana </i> from the Cenomanian Woodbine Fm. of Texas (Stephenson 1953).
Nucula rivulana from the Cenomanian Woodbine Fm. of Texas (Stephenson 1953).
Stratigraphic position unknown
Stratigraphic position unknown