Lakhanpal R N & Maheshwari H K  et al <br/><br/>
Catalogue of Indian Fossil Plants 

 -  Birbal Sahni Inst of Palaeobotany, Lucknow 
 - pp 318;   24*16 
<br/><br/><label>Dewey Class. No.: </label>I:8.2/N76/B10921