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Mactra siouxensis

Geological Range

Albian

Paleogeographic Distribution

Kansas

Stratigraphic Occurrences

Albian
Kiowa Formation (KS)
Paratype of <i>Mactra siouxensis</i> var. <i>smolanensis</i> from the Kiowa Formation of Saline County, Kansas (KUMIP 500238).
Paratype of Mactra siouxensis var. smolanensis from the Kiowa Formation of Saline County, Kansas (KUMIP 500238).
Paratype of <i>Mactra siouxensis</i> var. <i>smolanensis</i> from the Kiowa Formation of Saline County, Kansas (KUMIP 500239).
Paratype of Mactra siouxensis var. smolanensis from the Kiowa Formation of Saline County, Kansas (KUMIP 500239).
Stratigraphic position unknown
Stratigraphic position unknown