TY  - BOOK
AU  - Walker,Laurence G.
ED  - United States
TI  - The brachiopod genera Hebertella, Dalmanella, and Heterorthina from the Ordovician of Kentucky: a taxonomic study of nine species and their stratigraphic distribution in the Lexington limestone and younger Ordovician rocks 
U1  - 564.8 
PY  - 1982///
CY  - Washington, D.C
PB  - United States Government Printing Office
KW  - Hebertella
KW  - Dalmanella
KW  - Heterorthina
KW  - Paleontology
KW  - Ordovician
KW  - Kentucky
KW  - Geology
KW  - Survey
N1  - Prepared in cooperation with the Commonwealth of Kentucky, University of Kentucky, Kentucky Geological Survey; Bibliography: p. 16-17
ER  -