References

http://www.ucmp.berkeley.edu/echinodermata/crinoid6.gif

Fossils Invertebrates, 1987, Eds, Boardman, R.S., Cheetham, A.H., and Rowell, A.J.

Invertebrate Fossils, 1959, Moore, Lalicker, and Fisher

Geobiology of the Invertebrates, 1980, Tasch

Journal of Paleontology

Palaios

Journal of Sedimentary Geology