Esteban, Susana B. <br/><br/>
Cyclopygid trilobites and associated facies from the Ordovician of the Famatina basin (northwestern Argentina): paleogeographic and evolutionary implications 

 - Prague  Univerzita Karlova  1999 
 - pp. 377-379  ilus. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>BIOESTRATIGRAFIA<br/>CYCLOPYGIDAE<br/>ORDOVICICO<br/>PALEOBIOGEOGRAFIA<br/>TRILOBITA
<br/><br/><label>Subjects--Geographic Terms: </label><br/>ARGENTINA<br/>SISTEMA DE FAMATINA