Oliver, William A. <br/><br/>
An Early Denovian coral faunule from the Needmore Shale in south central Pennsylvania and adjacent areas of west Virginia and Virginia 

 - Washington, D.C.  U.S. Geological Survey  1989 
 - pp. C1-C11 
<br/><br/> Titulo de Bulletin n°1860: Shorter contributions to paleontology and stratigraphy, 1989 
<br/><br/><label>Subjects--Topical Terms: </label><br/>COELENTERATA<br/>DEVONICO
<br/><br/><label>Subjects--Geographic Terms: </label><br/>ESTADOS UNIDOS