Antholites Coral Fossil on Crinoid Stem

These images are of what appears to be an Antholites speciosus? coral growing on an unidentified crinoid stem. It was found in the Jeffersonville Limestone of Clark County Indiana USA. The fossils date to the Devonian Period. The specimen is about 3 cm long and 1 cm wide.

The book Silurian and Devonian Corals of the Falls of the Ohio (Stumm, 1964) was used to identify this specimen.  Description on page 79 and plate 73, figures 1-5.