176 University of Texas Bidletin 



Exogyra Say 230 



Exogyra haarmanni sp. nov 230 



Exogyra of r. olisiponensis Sharpe 230 



GASTROPODA 232 



Tylottoma Sharpe 232 



Tylostoma aff . ovatum Sharpe 232 



ECHINODERMATA 232 



Hemiaster Desor 232 



Hemiaster sp 232 



