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Astartella concentrica

Geological Range

Desmoinesian to Virgilian; Extinct.

Paleogeographic Distribution

Texas to Kansas.

Stratigraphic Occurrences

Virgilian
Gaptank Formation (TX)
Graham Formation (Wayland Shale Member) (TX)
Graham Formation (Gunsight Limestone Member) (TX)
Topeka Limestone (KS)
Missourian
Graford Formation (TX)
Plattsburg Limestone (Hickory Creek Shale Member) (KS)
Stanton Limestone (Eudora Shale Member) (OK, KS)
Vilas Shale (OK)
Desmoinesian
Wewoka Formation (OK)
<i>Astartella concentrica</i> from the Graford Fm. of Wise County, Texas (KUMIP 253748).
Astartella concentrica from the Graford Fm. of Wise County, Texas (KUMIP 253748).
Virgillian Map
Virgillian Map
Missourian Map
Missourian Map
Desmoinesian Map
Desmoinesian Map