Karklins, Olgerts L.,  1924- <br/><br/>
Trepostome and cystoporate bryozoans from the Lexington limestone and the Clays Ferry formation (Middle and Upper Ordovician) of Kentucky / 
by O. L. Karklins 
 - Washington, D.C. :  United States Geological Survey,  1984 
 - v, 105 p., [41] leaves of plates :  ill. (some folded) ;  29 cm. 
 - Geological Survey professional paper ;  pap.no.1066-I .
<br/><br/> Spine title: Bryozoans, Lexington limestone, Clays Ferry formation, KY.  Prepared in cooperation with the Commonwealth of Kentucky, University of Kentucky, Kentucky Geological Survey  Three folded leaves of plates in pocket  Includes index 
<br/><br/>Bibliography: p. 97-102 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trepostomata<br/>Cystoporata<br/>Paleontology--Ordovician<br/>Paleontology--Kentucky
<br/><br/><label>Dewey Class. No.: </label>561.8