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Pachydiscus catarinae

Geological Range

Campanian to Maastrichtian

Paleogeographic Distribution

Mexico to Colorado to California

Stratigraphic Occurrences

Campanian
Pierre Shale (CO)
Williams Formation (CA)
<i> Pachydiscus catarinae </i> from Baja California County, Mexico (FHSMIP 583).
Pachydiscus catarinae from Baja California County, Mexico (FHSMIP 583).
Stratigraphic position unknown
Stratigraphic position unknown