Shergold, J. H. <br/><br/>
Classification and review of the trilobite order agnostida slater, 1864 :  an Australian perspective / 
by J.H. Shergold, J.R. Laurie and Sun Ziaowen. 
 - Canberra :  Australian Government Publishing Service,  1990. 
 - iv, 92 p. :  ill. 
 - Report ; no. 296 .
<br/><br/><label>ISBN: </label>0644123079 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trilobites--Classification.<br/>Agnostidae.