Biblio
Cooley Field Notes 2001: v. u.
, 2001, Casterolimulus: a new Late Cretaceous generic link in limulid lineage: Bulletin of American Paleontology, v. 67, no. 287, p. 235-249.
, 1975, Characterization of Sentinel Butte petrified wood and host lithology associations: University of North Dakota.
, 1956,