The Devonian colonial coral genus Billingsastraea and its earliest known species
By: by William A. Oliver, Jr.
Series: Geological Survey professional paper ;; 483-B.; Contributions to paleontology; Geological Survey professional paper ;; 483-B.; Geological Survey professional paper.
Publisher: U.S. Govt. Print. Off.
Published: 1964
Place of publication: Washington
Language: eng
Subjects: Billingsastraea.; Paleontology -- Devonian.; Paleontology -- North America.
Description: "The geographic and stratigraphic distribution of Billingsastraea with a redescription of B. affinis its earliest known species."
Notes: Bibliography: p. 4-5 (2d group)