JoshOrb Posted May 19, 2018 Share Posted May 19, 2018 Hey everyone, totally new to this site, just signed up. I found (actually my dog found) what seems to be a petrified mushroom in our backyard in Colorado. I know these are very rare but not sure what else it could be...any suggestions? I appreciate your help! Link to comment Share on other sites More sharing options...
Tidgy's Dad Posted May 19, 2018 Share Posted May 19, 2018 Not a mushroom. I think that's a sponge. Nice find! Clever dog you have. 1 Life's Good! Tortoise Friend. Link to comment Share on other sites More sharing options...
abyssunder Posted May 19, 2018 Share Posted May 19, 2018 9 minutes ago, Tidgy's Dad said: I think that's a sponge. It might be. " We are not separate and independent entities, but like links in a chain, and we could not by any means be what we are without those who went before us and showed us the way. " Thomas Mann My Library Link to comment Share on other sites More sharing options...
Bobby Rico Posted May 19, 2018 Share Posted May 19, 2018 Looks like a femur head mammal bones to me but @Tidgy's Dad know lots more than me. Not a mushroom. 6 Link to comment Share on other sites More sharing options...
Peace river rat Posted May 20, 2018 Share Posted May 20, 2018 5 minutes ago, Bobby Rico said: Looks like a femur head mammal bones to me but @Tidgy's Dad know lots more than me. Not a mushroom. My money is in your camp on this one. My first thought as soon as I saw it. 1 Link to comment Share on other sites More sharing options...
Bullsnake Posted May 20, 2018 Share Posted May 20, 2018 I may be way off base, but I was thinking nautiloid chamber. Steve Link to comment Share on other sites More sharing options...
abyssunder Posted May 20, 2018 Share Posted May 20, 2018 31 minutes ago, JoshOrb said: actually my dog found This was important... 1 " We are not separate and independent entities, but like links in a chain, and we could not by any means be what we are without those who went before us and showed us the way. " Thomas Mann My Library Link to comment Share on other sites More sharing options...
JoshOrb Posted May 20, 2018 Author Share Posted May 20, 2018 Wow thanks for the suggestions! After looking at Bobby Rico’s pictures and others online it does look like a femur head...but that invites another possibly naive question...wouldn’t that size be for a big mammal? Perhaps human?!? Link to comment Share on other sites More sharing options...
Tidgy's Dad Posted May 20, 2018 Share Posted May 20, 2018 Just now, Bobby Rico said: Looks like a femur head mammal bones to me but @Tidgy's Dad know lots more than me. Not a mushroom. You may be right, Bobby, but how about this one from 'Sponge - Fossilfinder'? And this one from Colorado Much too small though. And with the dog having dug it up, it's got to be a bone, hasn't it? 4 Life's Good! Tortoise Friend. Link to comment Share on other sites More sharing options...
Spongy Joe Posted May 20, 2018 Share Posted May 20, 2018 1 hour ago, JoshOrb said: Wow thanks for the suggestions! After looking at Bobby Rico’s pictures and others online it does look like a femur head...but that invites another possibly naive question...wouldn’t that size be for a big mammal? Perhaps human?!? More likely cow, at a guess - you often get leftovers from previous dinners around settlements, and in the UK, Victorian gardens are full of this stuff - along with clay pipes, and marbles (for some reason!). Now, if you can train your dog to go for ones made of rock, you've got a really good fossil hound on your hands..! p.s. nice try, but it's not a sponge. 2 Link to comment Share on other sites More sharing options...
doushantuo Posted May 20, 2018 Share Posted May 20, 2018 a fairly recent inventory of well-preserved mushrooms: Link to comment Share on other sites More sharing options...
doushantuo Posted May 20, 2018 Share Posted May 20, 2018 2 Link to comment Share on other sites More sharing options...
Laditz Posted May 20, 2018 Share Posted May 20, 2018 +1 for femoral head. As Spongy Joe said, the size and shape is right on for cow. The structure you see on the inside is what you often see on the inside of an epyphisis (end part of the bone). That part was attached to a growth plate between it and the centre part of the bone. This makes it possible for the bone to "grow" when the animal ages. 1 Link to comment Share on other sites More sharing options...
Bobby Rico Posted May 20, 2018 Share Posted May 20, 2018 8 hours ago, Tidgy's Dad said: You may be right, Bobby, but how about this one from 'Sponge - Fossilfinder'? And this one from Colorado Much too small though. And with the dog having dug it up, it's got to be a bone, hasn't it? The dog gave it away. If that was my dog I would be walking him at Hell Creek twice a day 1 Link to comment Share on other sites More sharing options...
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