| 
1st Author:
 | 
Posser, Charles S. 
 | 
| 
2nd Author:
 | 
Kindle, Edward M. 
 | 
| 
3rd Author:
 | 
 | 
| 
Year:
 | 
1913 | 
| 
Title:
 | 
Cephalopoda [of the Middle Devonian of Maryland]. | 
| 
Reference:
 | 
Maryland Geological Survey, Middle and Upper Devonian: 307-326, pl.38-42; Baltimore. | 
| 
Keywords:
 | 
Cephalopoda M.Dev. Maryland | 
| 
Link:
 | 
	
 |