Devonian Heliophyllum Horn Coral

Here is a fragment from two different views of a horn coral. I think it is a Heliophyllum because of the little beads remaining on its septal lines. Found a couple of days ago in the Jeffersonville Limestone layer in Jefferson County, Kentucky. That means this little sea creature is from the Devonian period.

Mid-America Paleontology Society Fossil Expo - April 3-5, 2009

If you like fossils then you should check out the Mid-America Paleontology Society (MAPS) Fossil Expo held on the campus of Western Illinois University at Macomb, Illinois.

The keynote speaker will be Dr. William Ausich of Ohio State Univerity speaking about "These are not the Crinoids Your Granddaddy Knew".

http://www.geology.ohio-state.edu/faculty_bios.php?id=2

See their link for all the information about how to get there and contact information:
http://midamericapaleo.org/content/expo31.php

EXPO HOURS:

• Friday, April 3 - Show Floor Hours 8:00 a.m. - 5:00 p.m., Keynote presentation at 7pm (see above).
• Saturday, April 4 - Show Floor Hours 8:00 a.m. - 5:00 p.m., MAPS regular business meeting 6pm, Live Auction at 7pm.
• Sunday, April 5 - Show Floor Hours 8:00 a.m. - 12:00 noon.

Cymbiocrinus Crinoid Calyx

Here is a very small (5 mm in diameter) crinoid calyx from Crawford County, Indiana. Using University of Kentucky Dr. Chesnut's webpage I believe it is called Cymbiocrinus (Kirk, 1944) and is from the Mississippian period. It has a nice brownish-tan tint which gives it move visual depth. This is the bottom of the calyx where it attached to the stem and on the other side only small fragments of its arms remain. It is still embedded in a rock fragment with a lot stem pieces.