142 CARBONIFEROUS AMMONOIDS OF AMERICA. 



GoNiATiTES? PARVUS Shumard. 



1860. Goniatites parvm^ B. F. Shumard, Trans. St. Louis Acad. Sci., Vol. I, p. 199. 

 Shell discoidal, moderately compressed, strougly embracing, the inner 

 whorls being concealed by the onter. Umbilicus very small. Abdomen 

 strongly arched, sides gently convex; whorl higher than wide. Surface 

 marked with a few obscure folds, strongest near the aperture. 



Occurrence. — Upper Coal Measui'es, Willow S])ring, on Santa Fe road, 

 Kansas. 



GoNiATiTES ? POLiTus Sliumard. 



1860. Gonkitite.'i politus, B. F. Shumard, Trans. St. Louis Acad. Sci., Vol. I, p. I'Jlt. 



Shell very much compressed laterally, thin, discoidal, involute, deeply 

 embracing, the inner whorls being concealed by the outer. Abdomen 

 strongly rounded, smooth; sides evenly and gently convex, greatest thickness 

 being about the middle of the whorl. Surface marked with obscure, sinuous 

 folds and minute striae of growth, crossed by fine spiral lines. 



Occurrence. — Middle Coal Measures, Lexington, Mo. 



SPECIES NAMED BUT NOT DESCRIBED. 



GONIATITES \ SULCIFERUS Wincliell. 



1862. Goniatites sulcife7'us A. Winchell, Am. Jour. Sci., 2d series, Vol. XXXIII, 

 p. 365: 



No description given, but the suggestion is made that it may be a 

 variety of ^^ Goniatites" propinqims Winchell. 



Occurrence. — Lower Carboniferous, Kinderhook stage, Marshall forma- 

 tion, Marshall, Mich. 



■SPECIES NOT AMMONOIDS. 



"Ammonites" bellicosus Moi-ton. 



1836. Ammonites helllcosus, S. G. Morton, Am. Jour. Sci., 1st series. Vol. XXIX, 

 p. 150, PI. Ill, %. 8. 



This species is probably a nautiloid, but can not be determined. 



Occurrence. — Upper Coal Measures, Cambridge, Guernsey County, 



Ohio. 



