The Cyathaspididae
Subtitle: a family of Silurian and Devonian jawless vertebrates
By: Robert H. Denison --
Contributors: Chicago Natural History Museum.
Series: Fieldiana: geology -- 13, no. 5; Chicago Natural History Museum. Publication -- 978.; Fieldiana -- v. 13, no. 5.; Publication (Chicago Natural History Museum) -- 978.
Publisher: Chicago Natural History Museum Press
Published: 1964
Place of publication: Chicago
Number of pages: 473
Subjects: Cyathaspididae.
Other titles: The Cyathaspidiae