Two blocks of limestone, rich in Foraminifera. The forams from the SE US are flatter, more like a thin disc with wavy edges up to 2.5cm (1 in.) in size. The ones from France look more like a lentil and are up to about 1cm in size (a bit less than a 1/2 in.).
 

	Detail of the block on the left showing several forams.	Lepidocyclina ocalina Ocala Limestone Late Eocene Haile Quarries Gainesville, FL
	Detail of the block on the left showing two Foraminifera whose outer shell has been eroded, exposing the inner structure of the shell.	Eocene Paris Basin France