Orbiculoidea subtrigonalis
- Phylum: Brachipoda-Inarticulata
- Class: Lingulata
- Order: Lingulide
- Family: Discinidae
- Genus: Orbiculoidea
- Species: Orbiculoidea subtrigonalis
Geological Range
Missourian to Virgilian; Extinct.
Paleogeographic Distribution
Kansas.
Stratigraphic Occurrences
- Virgilian
- Lecompton Limestone (KS)
- Missourian
- Wyandotte Limestone (Argentine Limestone Member) (KS)
