Superfamil;- A R D I T A E A . 

 Familj? Jarditidae. 

 Gemis VEIiSRIOAHDIA Lamarck. 

 Subgenus Venericarciia s. -. 



YEKSRIGAHDIA SGABPJGOSTATA (Gu^p^:') 



Qardita soabrieostata ''uppy, 1866, Qiiart, .Jour. Geol. Soo. London, 



vol. S2, p. 29?„ pi. 18, fip. 10. 

 Qardita soahricostata Suppy, C-a"bb, 187,5, Trans. Am. Philos. Soc, 



new ser., vol. 15, p. 252. 

 Oerdita sosbrieog'I'gta Ouripy, 1374, Ceol. Mag,, ^^'^'^^'^ "^ , -"-ol. 1, 



p« 442 (check list) . 

 3ardita s cabricostata Guppy, 1876, Quart, Jour. Geol. Soc. London, 



vol. 2S, p. 571, 

 7e:-.e ricarflia scabricostata (Guooy), Lall , 1907;, Tr . ;agner 



?ree liost. 3ci,, Philadel :ohia, vol. 5, pt . 6, p. 1428. 



Description .- "Shell suborbicular, nearlj' as hi ' v/ide, 



Vv'ith about 18 regularly nodoselj/ muric>':te inipressed ribs; post- 

 erior mar^rin nearlj/ straig;:t, forming an angle \7ith the ventral 

 ma.r?in, vi^ich is rouMed; anterior raar?-ih rouided; umbones promi- 

 .ent ; mar-ins strongly crenate, hinf^e irith tv:o teeth, of which the 

 posterior one is long and narrov;." ' "■ , 1366). 



Tyoe local it:;- »- Jamaica. 



