Hemiaster comanchei
- Phylum: Echinodermata
- Class: Echinoidea
- Order: Spatangoida
- Family: Hemiasteridae
- Genus: Hemiaster
- Species: Hemiaster comanchei Clark in Clark & Twitchell
Geological Range
Albian
Paleogeographic Distribution
Texas to Oklahoma
Stratigraphic Occurrences
- Albian
- Caddo Formation (OK)
- Duck Creek Formation (TX)
- Glenrose Formation (TX)
- Goodland Limestone (TX)
- Walnut Formation (TX)
- Unknown Stage
- Caddo Formation (OK)
- Glen Rose Formation (TX)
- Walnut Clay (TX)
