- r^s? - 



Shell snail, subequilateral, v.-ell-inflate'^l ; antero-clorsal mar- 

 gin eTcavatecl, postero-iorssl nln-'.oF;"^ stral ', ;lo-nin."-, meeting 

 the lateral niargin at a subrouiide ^ le ; aritcro- lateral margin 



longer and less ciirvei than the postero- , the base sloping to- 

 ward the rlor end; ur^ho-es relati- [■ ^ '; ; Imiule small, 



cordate, moderatelj^ iraprcoocd; esoutoheon v^r^- narrov/, scarcely; 

 differentiated; dorsal areas p-^orl^;^ defiiied; e-'; ' -"face 



sculpt-'u-'ed v;ith nl-: '^ . \ thin connfi:-t-io 1 a-^,- llae and nar- 



rov;, obsolete radials, separated b;- iiarrov/er intei'spaees; occas- 

 ionally the radials strong en- ';o slightly erenulate the lam- 

 ellae; i"adials absent on th'- ""'ir.^l „roas; hir.re noi-nal, the lat- 

 erals, especially the posterior, elongated; inner margin of the 

 valve finely and wealrly oreniilated. 



Di ■^'nniO'-'^ .- lat., 5 ''■"':'.; ^T""., 1-." .; ^' ^ '■:^ "■''•■ ?.ra. , 1 • " 



-i': a . - 



rhis species is fairly I'lrell repr esente'^ . It i: 



recognized by. its small size, close, "■ ^entric sculpture 



•rr"' obsolete radials. 



Occurrence .- U~0T)er Oligocene : Santo Domingo fGabb, 187?; 

 Dall, 190?); Lower I.'ioc e.;-c : '^■'^'"-■'en be(^s, Bor/rlen, Jamaica 



(Dall, 1903). 



