markjw Posted May 24, 2019 Share Posted May 24, 2019 This is bigger than a softball and heavy. I found it in the mud alongside 16 Mile Creek in Oakville, Ontario, Canada, an area that has few fossils. I presume it is a petrified marine animal, with some kind of holdfast portion at the upper part in the photos. Can anyone help with a more detailed guess? Link to comment Share on other sites More sharing options...
Pumpkinhead Posted May 24, 2019 Share Posted May 24, 2019 A few more angles and something for scale might help. I suspect that this will be a rugose coral, and that the lines you can see running down the sides are septa Link to comment Share on other sites More sharing options...
FossilDAWG Posted May 24, 2019 Share Posted May 24, 2019 It looks like a Prismatophyllum (formerly Tetradium) colony to me. Don Link to comment Share on other sites More sharing options...
markjw Posted May 24, 2019 Author Share Posted May 24, 2019 Thanks for insights colleagues. I'll see if I can conjure up some other angles and a size reference. Link to comment Share on other sites More sharing options...
Pumpkinhead Posted May 24, 2019 Share Posted May 24, 2019 Fossildawg is correct, disregard what I said about rugosa Link to comment Share on other sites More sharing options...
FossilDAWG Posted May 24, 2019 Share Posted May 24, 2019 A couple more photos from different angles would still be useful to confirm or refute my first impression. Don Link to comment Share on other sites More sharing options...
bethk Posted May 24, 2019 Share Posted May 24, 2019 Not sure what it is but the age of the bedrock at Oakville is Ordovician, if that helps. Link to comment Share on other sites More sharing options...
Recommended Posts
Create an account or sign in to comment
You need to be a member in order to leave a comment
Create an account
Sign up for a new account in our community. It's easy!
Register a new accountSign in
Already have an account? Sign in here.
Sign In Now