Nonmarine ostracodes in the Lakota Formation (Lower Cretaceous) from South Dakota and Wyoming : revision of nonmarine Lower Cretaceous ostracode genera from the Black Hills, and description of two new genera and four new species : on the basis of this revision, the Lakota Formation is considered to be pre-Aptian in age / by I. G. Sohn.

Author/creator Sohn, I. G.
Format Book
Publication InfoWashington : U.S. Govt. Print. Off, 1979.
Descriptioniv, 24 pages, 8 leaves of plates : illustrations ; 29 cm.
Subjects

SeriesGeological Survey professional paper ; 1069
U.S. Geological Survey professional paper 1069. ^A414272
Local noteJoyner-FOR JOYNER LIBRARY HOLDINGS OF THE SERIES, U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER, SEARCH BY CALL NUMBER QE75 .P9.
General noteIncludes index.
Bibliography noteBibliography: p. 20-22.
LCCN 77608326