The Chappel Limestone is a geologic formation in Texas. It preserves fossils dating back to the Carboniferous period.
In 1959 Wilbert H. Hass described the conodont genus Dollymae from that formation.Conodonts from the Chappel limestone of Texas. Wilbert H. Hass, 1959
See also
List of fossiliferous stratigraphic units in Texas Paleontology in Texas
References
Further reading