Astrocoenia decaturensis -2« 
straight line or are very slightly excavated, but are regularly 
finely dentate, with four to seven teeth to each septum. These 
teeth are moderately acute and are directly obliquely upward and 
inward. Granulations on the faces minute, pointed. 
Endothecal dissepiment a present , thin, not abundant. 
Columella a strong style, upper end pointed, but not very 
prominent. There’ is some thickening of the ipner ends of the 
larger septa, where they fuse to the columella* 
Locality .--- .Hall's Landing on Plint River, 7 miles below 
Bainbridge, Georgia, and Blue Springs, 4 miles below Bainbridge; 
also the Island of Antigua, West Indies. 
Geologic horizon . ---Basal Upper Oligocene. 
Types . ---United States National Museum. 
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