Possible placoderm armor?

[Nautiloid]

I recently discovered this tiny fossil on a piece of shale from a site in Brookfield, NY that I visited with the NYPS last month. I believe this site is Upper Ludlowville Formation, based on the species I found there. I was wondering if this could possibly be a piece of placoderm armor? I dont recognize the detail on it so I’m having some trouble ID’ing it. 

[Nautiloid]

I recently found this small mystery object on a piece of shale from when I went on the field trip with the NYPS. I believe the site this came from was upper Ludlowville Formation, based on the fossils I found there. I was wondering what this small fossil is, because it has details on it that I don’t recognize. 

[Fossildude19]

Topics merged. One is enough. 

 

You can always bump the same topic by asking again in a reply. 

That said, it looks more like arthropod material, to me. 

I'm not sure there is enough showing to say what it may be, however.