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Spiriferina

Spiriferina

Species of Spiriferina present in the Pennsylvanian of the American Midcontinent

Geological Range

Desmoinesian to Virgilian; Extinct.

Paleogeographic Distribution

Texas.

Stratigraphic Occurrences

Virgilian
Graham Formation (Wayland Shale Member) (TX)
Harpersville Formation (TX)
Desmoinesian
East Mountain Shale (TX)
<i>Spiriferina kentuckiensis</i> from the Graham Fm. of McCulloch County, Texas (KUMIP 307654).
Spiriferina kentuckiensis from the Graham Fm. of McCulloch County, Texas (KUMIP 307654).