Pages
Zeacrinus Ramosus
Zeacrinus ramosus, Hall
Iowa Rep. 1 p 548. (1858) pl 9 fig 3
Burlington Limestone
Burlington, Iowa.
Zeacrinus Wortheni
Zeacrinus Wortheni, Hall
Iowa Rep. (1858) 1 p 545. fig 65 & p 683 fig 111
Kaskaskia (Sub Carb.) Limestone
Chester, Illinois