Derbyia robusta
- Phylum: Brachiopoda-Articulata
- Class: Strophomenata
- Order: Orthotetida
- Family: Derbyiidae
- Genus: Derbyia
- Species: Derbyia robusta
Geological Range
Atokan to Missourian; Extinct.
Paleogeographic Distribution
Kansas to Missouri.
Stratigraphic Occurrences
- Missourian
- Iola Limestone (KS, MO)
- Atokan
- Pottsville Formation (Mercer Limestone Member) (MO)
- Unknown Stage
- Coal Measures (MO)
