Ultrastructural studies on graptolites
By: [by] Adam Urbanek and Kenneth M. Towe.
Contributors: Towe, Kenneth M., joint author.
Series: Smithsonian contributions to paleobiology,; no. 20, 22; Smithsonian contributions to paleobiology ;; no. 20, etc.
Publisher: Smithsonian Institution Press; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.]
Published: 1974
Place of publication: Washington
Language: eng
Subjects: Graptolites.; Paleontology -- Ordovician.
Notes: Includes bibliographies.
Vol. 2: Supt. of Docs. no. SI 1.30:22
Table of contents: title: 1. The periderm and its derivatives in the Dendroidea and in Mastigograptus.; title: 2. The periderm and its derivatives in the Graptoloidea.