- GeoRef, Copyright 2004, American Geological Institute. Reference includes data from Bibliography and Index of North American Geology, U. S. Geological Survey, Reston, VA, United States
The Paleozoic lycopodiaceous spore genus Spencerisporites is recorded from an American locality. The taxonomy of Spencerisporites radiatus (Ibrahim) Chaloner is discussed and its synonymy listed. A description is presented of representatives of the species from the upper Morrow [Pennsylvanian] of the Texas-Oklahoma Panhandle.