Burrows of Skolithos and Planolites in the Cambrian Hardyston sandstone at Reading, Pennsylvania
By: [by] Benjamin F. Howell ...
Series: Publications of the Wagner Free Institute of Science,; v. 3
Published: 1943
Place of publication: Philadelphia
Language: eng
Number of pages: 33
Subjects: Worms, Fossil.; Paleontology -- Cambrian.; Paleontology -- Pennsylvania -- Reading.
Notes: Includes bibliographical references.