Finney, Stanley C. <br/><br/>
Late Ordovician graptolite extinction: the record from continental margin sections in central Nevada, USA 

 - Prague  Univerzita Karlova  1999 
 - pp. 195-198  ilus. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ESTRATIGRAFIA SECUENCIAL<br/>EXTINCION<br/>GRAPTOLITES<br/>MARGEN CONTINENTAL<br/>ORDOVICICO<br/>PALEOECOLOGIA
<br/><br/><label>Subjects--Geographic Terms: </label><br/>ESTADOS UNIDOS<br/>NEVADA