St, gabbi 
43 - 
Columella, appears to be terminated, when perfect, by 
Alrhi&tr 
a prominent pointed style that reaches to the level of the 
A 
calicular margin. 
Locality , Santo Domingo (Gabb Collector), 
Geologic horizon , Oligocene? 
1 £js ^ /SCO . 3 
ft CL Ou> ^ 
^ tU+ ^ Om yyAtyfi St* cO^d^y^^/jhK t* 
