Some Middle Pennsylvanian Hoplocarida (Crustacea) and their phylogenetic significance
By: Frederick R. Schram --
Contributors: Schram, Frederick R., 1943-
Series: Fieldiana -- v. 12, no. 14; [Field Museum of Natural History] Publication 1080; Publication (Field Museum of Natural History) -- 1080.
Publisher: Field Museum of Natural History
Published: 1969
Place of publication: Chicago
Subjects: Malacostraca, Fossil.; Paleontology -- Paleozoic.
Other titles: The Stratigraphic Distribution of the Paleozoic Eumalacostraca.