Olson, O. P. <br/><br/>
The genus Baryspira (Mollusca) in New Zealand / 
by O.P. Olson. 
 - Wellington :  New Zealand Dept. of Scientific and Industrial Research, New Zealand Geological Survey,  1956. 
 - 32 p., 7 leaves of plates :  ill. ;  29 cm. 
 - Paleontological bulletin ;  24 .
 - New Zealand Geological Survey paleontological bulletin ;  24. .
<br/><br/> "February 1956." 
<br/><br/>Includes bibliographical references (p. 30-31) and index. 
<br/><br/><label>LCCN: </label>gs 57000117  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Baryspira, Fossil--Classification.--New Zealand<br/>Baryspira--Classification.--New Zealand<br/>Paleontology--Tertiary.<br/>Paleontology--New Zealand.
<br/><br/><label>LC Class. No.: </label>QE811  / .O5