|   | 
Authors | 
Year | 
Title | 
 
 | 
Gordon | 
1965 | 
Carboniferous Cephalopods of Arkansas.	 
Professional Papers, U.S. Geological Survey, 460: 1-322, fig.1-96, pl.1-32; Washington. [imprint 1964].	 
 | 
 
 | 
Miller | 
1947 | 
A goniatite from the Mississippian Boone formation of Missouri.	 
L. Paleont., 21: 19-21, pl.10; Tulsa, Oklahoma.	 
 | 
 
 | 
Sheng | 
1983 | 
The ammonoids of late Lower Carboniferous from Yongzhu village, Xainza district in North Xizang.	 
In: The Geology of the Qinghai-Xizang (Tibet) Plateau.-41-68, fig.1-20, pl.1-4; Beijing.	 
 | 
 
 | 
White & Skorina | 
2000 | 
A Type Catalog of Fossil Invertebrates (Mollusca: Ammonoidea) in the Yale Peabody Museum.	 
Postilla 222, Peabody Museum of Natural History, Yale University, 1-73, New Haven, CT.	 
 |