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: 1920
Place of publication: Washington
Subjects: Bryozoa, Fossil.