1. Amler, M. R. W. (1998): Early Carboniferous bivalves of the central European Culm Facies. — In:P. A. Johnston &J. W. Haggart (eds), Bivalves: An Eon of Evolution: 51–67; Calgary (University of Calgary Press).
2. Anderson, J. R. &Boardman, D. R. (1989): Distribution and biostratigraphy of pseudozygopleurid microgastropods in North-Central Texas and the Appalachian Basin. In: D. R.Boardman, J. E.Barrick, J.Cocke & M. K.Nestell (eds), Middle and Late Pennsylvanian chronostratigraphic boundaries in North-Central Texas: Glacial-eustatic events, biostratigraphy, and paleoecology. A guidebook with contributed papers. Prepared for the Geological Society of America South-Central-Section, 23rd annual meeting. — Texas Tech University Studies in Geology,2: 123–150; Arlington, Texas.
3. Anderson, J. R., Hoare, R. D. &Sturgeon, M. T. (1985): The Pennsylvanian generaOrthonema Meek andWorthen andStreptacis Meek from the Appalachian Basin. — Journal of Paleontology,59: 1011–1027; Tulsa.
4. Anderson, J. R., Hoare, R. D. &Sturgeon, M. T. (1990): The Pennsylvanian gastropodDonaldina Knight in the Appalachian Basin, Eastern U.S.A. — Journal of Paleontology,64: 557–562; Tulsa.
5. Bandel, K. (1975): Embryonalgehäuse karibischer Meso- und Neogastropoden (Mollusca). — Akademie der Wissenschaften und der Literatur, Mainz. Abhandlungen der mathematischnaturwissenschaftlichen Klasse,1: 1–133; Mainz.