macsgems Posted May 2, 2009 Share Posted May 2, 2009 We just bought an old collection here in Montana. The first 2 pictures were labeled fossilized mushroom Wyoming, the 3rd and 4th looks like a petrified conk, you can see where it would have butted up against a tree. What do you think? Link to comment Share on other sites More sharing options...
Megaselachus13 Posted May 2, 2009 Share Posted May 2, 2009 First fossil is a tooth, I'm not sure if it is from Globidens (a mossasaur) or Ptychodus (shark). Perhaps other angle pics will help. Zenithal view would be great. Wellcome to the forum. Link to comment Share on other sites More sharing options...
PaleoRon Posted May 2, 2009 Share Posted May 2, 2009 I would say Ptychodus on the first and ammonite on the second. Link to comment Share on other sites More sharing options...
mommabetts Posted May 3, 2009 Share Posted May 3, 2009 I agree with PaleoRon, not mushroom or conk. Link to comment Share on other sites More sharing options...
Oh-Man Posted May 5, 2009 Share Posted May 5, 2009 I would say Ptychodus on the first and ammonite on the second. Definitely looks ptychodus. That's a keeper for sure. Not sure about the other. What is geology? "Rocks for Jocks!" Link to comment Share on other sites More sharing options...
Guest solius symbiosus Posted May 5, 2009 Share Posted May 5, 2009 ... ammonite on the second. ... or a big ol' tergomyaid, but I have never seen them that big. So, you are probably correct. A close up of the sutures(if they exist) would be helpful. Link to comment Share on other sites More sharing options...
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