Matsumoto, Tatsuro <br/><br/>
Note on a species of Romaniceras from the Cretaceous of Hokkaido 

 - Tokyo  National Science Museum  March 1985 
 - pp. 1-8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>AMMONOIDEA<br/>CRETACEO
<br/><br/><label>Subjects--Geographic Terms: </label><br/>JAPON