Two specimens of an edrioasteroid in excellent preservation have been found in the Pella beds, Upper Mississippian, by Amel Priest of Peru, Iowa at an abandoned quarry northeast of Knoxville, Marion County, Iowa. The interior of the theca is exposed in the smaller specimen and the existence of a stone canal is disclosed. The species is described as Discocystis priesti, new species.
Proceedings of the Iowa Academy of Science
©1966 Iowa Academy of Science, Inc.
Strimple, H. L.
"A New Edrioasteroid,"
Proceedings of the Iowa Academy of Science, 73(1), 260-262.
Available at: https://scholarworks.uni.edu/pias/vol73/iss1/37