Uyeno, T.T. <br/><br/>
Conodonts from the Lévis Formation (Zone D1) (Middle Ordovician), Lévis, Quebec 

 - Ottawa, Ontario  Geological Survey of Canada  1970 
 - pp. 79-97  láms. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>CONODONTA<br/>ORDOVICICO
<br/><br/><label>Subjects--Geographic Terms: </label><br/>CANADA