North American early Tertiary Bryozoa
By: by Ferdinand Canu and Ray S. Bassler.
Contributors: Bassler, Ray S. b. 1878.
Series: Smithsonian Institution.  United States National Museum.  Bulletin 106; Bulletin (United States National Museum) -- 106.
Publisher: Government Printing Office
Published: 1923
Place of publication: Washington
Language: eng
Subjects: Bryozoa, Fossil.