Here is a clam I found at Speed Quarry, Indiana back in April. Until a few days ago I did not know its scientific name until I came across ...

Here is the bottom of a crinoid calyx or head. It is from Joe Prather Highway which is a location about an hour south of Louisville, Kentuck...

Here is a cluster of crinoid stems from Kentucky Highway 313 or Joe Prather Highway from I-65 to Fort Knox. I am not sure what species it i...