Silurian coral 
Arachnophyllum pentagonum (
Goldfuss) found in Louisville limestone showing a top and side views.
  Here are two pieces of Coenites laqueata from the Silurian period found in Louisville limestone.

Close up of Silurian coral 
Coenites (older name 
Cladopora) 
laqueata.
 Another close up view of the smaller coral 
Coenites laqueata Rominger.
Here are a number of Heliolites elegans Hall from the Silurian Period (Louisville limestone).
 

Devonian 
brachiopod Pseudoatrypa sp. from 
Jeffersonville limestone.
Large (11 cm diameter) 
Favosites turbinatus Billings with a closer view than previous images shown in an earlier posting.  This fossil is Devonian period from 
Jeffersonville limestone.

Close up of 
Favosites turbinatus surface.