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Inoceramus prefragilis

Geological Range

Albian to Cenomanian

Paleogeographic Distribution

Texas to Wyoming

Stratigraphic Occurrences

Cenomanian
Boquillas Formation (TX)
Chispa Summit Formation (TX)
Dakota Sandstone (NM)
Graneros Shale (IA)
Greenhorn Limestone (KS)
Greenhorn Limestone (Lincoln Shale Member) (KS)
Greenhorn Limestone (WY)
Mancos Shale (NM)
Woodbine Formation (TX)
Woodbine Formation (Lewisville Member) (TX)
Albian
Sarten Sandstone (NM)
Unknown Stage
Benton Shale (IA)
Woodbine Formation (Lewisville Member) (TX)
<i> Inoceramus prefragilis </i> from the Cenomanian Woodbine Fm. of Texas (Stephenson 1953).
Inoceramus prefragilis from the Cenomanian Woodbine Fm. of Texas (Stephenson 1953).
<i> Inoceramus prefragilis </i> from the Cenomanian Woodbine Fm. of Texas (Stephenson 1953).
Inoceramus prefragilis from the Cenomanian Woodbine Fm. of Texas (Stephenson 1953).
Stratigraphic position unknown
Stratigraphic position unknown