Stop #2: Liberty Formation
Our second stop was not as overgrown with vegetation as the first. The site in the old days had yeilded a number of Conularia. Now the site is "slumped" with material from the top layers sliding down and covering the lower layers. This site exposes most of the Liberty formation.
This is a clam called Caritodens which was preserved on the bottom of an encrusting bryozoan. (bottom and top - next 2 pics)
Here's another example of a clam preserved on the underside of
a bryozoan. This ridged surface is likely from Ambonycha sp..
Here's a great specimen of a Rafinesquina from stop#2 that is nearly covered on
one site with the inarticulate brachiopod Petrocrania scabiosa.
Notice how the Petrocrania are crowding for space on this large surface.
Above photo compliments of Rick Schrantz, KPS
Stop#2 was full of good examples of
Rafinesquina sp. Here are just some of the ones found that
day. Do you see the Petrocrania scabiosa on the first
This next brachiopod is not a Rafinesquina. It is a strophomenid however. It is
Strophomena sp.. Note
the shape of the muscle scar.
The two brachiopods in the photo below appear to be Vinlandostrophia
And there were plenty of the tiny brachiopod Zygospira kentuckiensis.
from Site#2 (Liberty Fm.)
Other Fossils Found on Stop#2 (Liberty Fm.)
Worm Tubes: Cornulites or Cornulitids
Now lets see what we found at Stop #3.
Return to the September 2013 Field Trip Home.
See Previous Trips to these sites:
Back to the Field Trip Index Page
Return to Dry Dredgers Home Page
The Dry Dredgers and individual contributors reserve the
rights to all information, images, and content presented here. Permission to
reproduce in any fashion, must be requested in writing to email@example.com.
www.drydredgers.org is designed and maintained by Bill Heimbrock.