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I picked this bone up on the Peace River this past Monday. It was mixed in with some large gravel and it caught my eye as I sifted through the matrix in my screen. My first thought was a mammal digit, a metacarpal bone. I thumbed through my copy of Vertebrate Fossils: A Neophyte's Guide and found a picture of a Glossotherium harlani (Harland's Ground Sloth) digit that looked promising and matched closely for size. Several searches online produced a couple of photos of sloth bones that looked like possible matches. I am far from certain as to what I have and would appreciate input from the group. I suspect @Shellseeker and @Harry Pristis may have some valuable insight. The specimen measures: 2" x 1 3/4" x 1 3/8" or 55mm x 45mm x 32mm Here is a photo I found online that may be a match (not the claw). I thought I captured the source when I copied it but regrettably failed in that effort. So I'm unable to credit the source. Confirmation or suggestions on other possibilities would be greatly appreciated.

Bone fragment found in water of Post Oak Creek, Sherman, Texas (Eagle Ford Formation, Cretaceous).