Bishop, G. A. 1981. Occurrence and fossilization of the Dakoticancer Assemblage, Upper Cretaceous Pierre Shale, S.D., p. 383–413. In Gray, J. et al. (eds.), Communities of the Past. Hutchinson Ross Publishing Co., Stroudsburg, Pennsylvania.
Bishop, G. A. 1982. Homolopsis mendryki: a new fossil crab (Crustacea, Decapoda) from the Late Cretaceous Dakoticancer Assemblage, Pierre Shale (Maastrichtian) of South Dakota. Journal of Paleontology, 56:221–225.
Bishop, G. A. 1983. Two new species of crabs, Notopocorystes (Eucorystes) eichhorni and Zygastrocarcinus griesi (Decapoda, Brachyura) from the Bearpaw Shale (Campanian) of north-central Montana. Journal of Paleontology, 57:900–910.
Bishop, G. A. 1985. Fossil decapod crustaceans from the Gammon Ferruginous Member, Pierre Shale (Early Campanian), Black Hills, South Dakota. Journal of Paleontology, 59:605–624.
Cook, L. T., Collins, R. K. and Davidson, W. F. 1949. Sheet 9, Little Missouri River, Marmarth to North Fork. U.S. Geological Survey River Survey.
Mapel, W. J., Robinson, C. S. and Theobald, P. K. 1959. Geologic and structure contour map of the northern and western flanks of the Black Hills, Wyoming, Montana, and South Dakota. U.S. Geological Survey, Oil and Gas Investigations Map OM-191.
Rathbun, M. J. 1926. The fossil stalk-eyed Crustacea of the Pacific Slope of North America. U.S. National Museum, Bulletin 138:1–155.
Whiteaves, J. F. 1885. Note on a decapod crustacean from the Upper Cretaceous of Highwood River, Alberta, Northwest Territories. Royal Society of Canada Transactions for 1884, 2:237–238.
Woodward, H. 1896. On some podophthalmatus Crustacea from the Cretaceous formations of Vancouver and Queen Charlotte Islands. Geological Society of London, Quarterly Journal, 52:221–228.