GASTROPODA— FUSOIDEA. 



775 



CLXII. Fulgurofusus Grabau. 

 Like Fusus in form; protoconch oblique and without ribs as in 

 Fulgur, merging into an angulate conch which throughout has con- 

 cave or flat shoulders and a sharp, peripheral keel bearing nodes. 

 Eocenic. 



554. F. quercollis (Harris). (Fig. 11 29.) Eocenic. 

 Carina with sharp, flat nodes ; spirals faint ; sutures very deep. 

 Lower Eocenic of Alabama, etc. 



555. F. rugatus (Aldrich). (Fig. 1130.) Eocenic. 

 Nodes of keel spinose in adult; spirals on body strong, some- 

 times spinulose; suture less depressed than in preceding. 



With the preceding. 



CLXIII. Heilprinia Grabau. 



Fusoid shells with protoconch ribbed throughout, body whorl 

 more or less abruptly contracted into the canal. Columella usually 

 plicate in adult, outer lip commonly lirate. Pliocenic-Recent. 



The more loose-coiled forms with larger spire and less con- 

 tracted aperture are referred to Barbarofusus Grabau and Shimer 

 gen nov., type B. barbarensis. 

 556. H. equalis (Emmons). (Fig. 1131, b.) Miocenic. 



Fig. 1 131. a, Heilprinia caloosaemis ; b, H. equalis; c, H. caloosaensis var. ; all 

 about I nat. size. (After Dall.) 



