BigJim Posted April 14, 2022 Share Posted April 14, 2022 I took my son to the Chesapeake and Delaware canal spoil piles at reedy point a few weeks ago and found these two small pieces. They stood out but I’m not sure if they’re actually anything interesting or not. Link to comment Share on other sites More sharing options...
Rockwood Posted April 14, 2022 Share Posted April 14, 2022 That vaguely mushroom shaped one is interesting. Link to comment Share on other sites More sharing options...
val horn Posted April 14, 2022 Share Posted April 14, 2022 I would not put money on it, but I was thinking of mouse humerus for the first , though I would like some photos to see better. the second may just be ironstone-- in any case I dont recognize it. they both could be just ironstone pieces Link to comment Share on other sites More sharing options...
jpc Posted April 14, 2022 Share Posted April 14, 2022 (edited) The first one is a toe bone. Look at the end near the 0 on your ruler. It is round, has divots on the sides (barely visible in the first two pix) and most importantly a ridge along the round surface in the middle, best seen in the third photo. Metapodial. Hard to say from here of it complete as the other end is a tough read. Edited April 14, 2022 by jpc 1 Link to comment Share on other sites More sharing options...
ClearLake Posted April 14, 2022 Share Posted April 14, 2022 4 hours ago, val horn said: I would not put money on it, but I was thinking of mouse humerus for the first Interesting thought and it is about the right size, but the shape is wrong. I have attached a picture of a mouse humerus and it is indeed a little over a cm long but I think you can see the shaft is much thinner and the ends are distinctly different that what was posted. I think @jpc is spot on, it is a toe bone for all the reasons he pointed out, especially seeing the last picture. The proximal end (down in the picture) looks a bit broken, but I think you can still see that it looks like the first toe bone, the one that would be attached to the ankle bones. I don't know if that groove down the length is natural or because it is slightly crushed. I have no idea on the other item, maybe geological rather than fossil, as others have suggested. 1 Link to comment Share on other sites More sharing options...
val horn Posted April 14, 2022 Share Posted April 14, 2022 I think jpc is correct i didnt see the circular hollows clearly until jpc said it i was thinking thst it was more marble shaped rather thsn concave but he is right @Harry Pristis may be sble to give yuo a full id. Link to comment Share on other sites More sharing options...
BigJim Posted April 15, 2022 Author Share Posted April 15, 2022 Thanks for all the info. That's a big help, I had found plenty of sources for shell and tooth Identification but not for bones. Link to comment Share on other sites More sharing options...
Aaron47 Posted April 22 Share Posted April 22 3 and 4 are clavagella armata. Not bone - a bivalve 1 Link to comment Share on other sites More sharing options...
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