Aceñolaza, Florencio G. <br/><br/>
Shallow marine trace fossils from the lower silurian of sierra de Zapla, Jujuy, northwest Argentina. 

<br/><br/> Relevamiento: 1996. 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Jujuy
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Artículo