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Mystery fossil with two members


markjw

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Found this guy under the Lakeshore Bridge in Long Branch, Ontario. It's about 4cm long. Any ideas what it might be?

mysteryFossil.jpg

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28 minutes ago, markjw said:

Any ideas what it might be?

Welcome to the forum ... you know it almost looks like a Rusophycus .. a trilobite burrow.  But someone more familiar with the area and the formation .. and frankly the bugs in that area can help,  Just a shot in the dark. 

 

But your location .. and the location of this find in the post look almost identical. 

 

 

Cheers,

Brett

  • I found this Informative 2
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Welcome to the forum from sunny Florida. Can we get a couple more views? Thanks.

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Thanks!

 

The "trace fossil" ID is, so far, quite intriguing. Looks a bit like Monica's find from same locale.

mysteryFossil-1.jpg

aMysteryFossil3.jpg

aBumpyFossil40.jpg

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I'm a beginner, but I just walked down from the main road and found lots of interesting fossils. That was a nice place to visit.

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I had the same thought as Brett - Rusophycus (trilobite burrow or resting trace(?))

It's a keeper!

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Did the other two members that were with you find anything or are you the "King of the Hill" with this piece?

Nice find!

 

 

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The layer of rock underlying that area is Georgian Bay Formation (late Ordovician). Lots of trilobites to be found in that layer so a burrow or resting place is entirely possible.

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Trace fossils are at least 100 times less likely to be found than fossils of the animal that made them. Great find. I would look for more of these, and the trilos will come easily as a by-product of that search.

 

 

Mark.

 

Fossil hunting is easy -- they don't run away when you shoot at them!

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