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stjbrown

Help I Have No Idea As I Am Very New To This

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stjbrown

This fossil was given to me, but I know it came from an auction box lot in PA. I have no idea anything more about it, but any help identifying it would be awesome. It measures about 5 inches long. The two peices fit together to for a 'rock' that hides the portion in the picture. if you turn the bottom peice over you can see part of the top sticking out showing it to be very much 3 dimensional2241747639_26e5065a27.jpg

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Xiphactinus

Nice fossil! It's a fish....I think from the Santana Formation of Brazil. The concretion looks a little different from the Brazilian fish I've seen before....maybe someone else knows better.

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Gatorman

Very nice fossil!

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stjbrown

Thanks it looked like some sort of fish to me too, but really wasn't sure. I really quite like it, but would be interested to find out more about it.

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Guest Cris
Thanks it looked like some sort of fish to me too, but really wasn't sure. I really quite like it, but would be interested to find out more about it.

Yeah, there's no doubt about it being fish... I'm sure someone can give you some more information on it, later.. Just have to wait and see.

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Guest N.AL.hunter

Stjbrown,

I agree that it is most likely from Brazil. I cannot ID it for you, but I do have two things: 1. Do NOT put the two pieces back together as this can cause rubbing and damage. I know it most likely fits together like a glove, but after separation, the fossil will expand some and the perfect fit might not be there. It is best to either keep apart or separate with some protective layer of cushioning material and 2. These fossils can cost a lot, and your's looks real nice, so someone gave you a real nice gift (most likely well over $500 US, and perhaps over $1000). Keep it protected and safe.

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stjbrown

Thanks for the heads up on how to store it and the possible value. My parents collect antiques and got this in a box lot at an aution some years ago. I ended up with it because I thought it was pretty neat. I will def store them sepperate from now on!

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Harry Pristis
Stjbrown,

I agree that it is most likely from Brazil. I cannot ID it for you, but I do have two things: 1. Do NOT put the two pieces back together as this can cause rubbing and damage. I know it most likely fits together like a glove, but after separation, the fossil will expand some and the perfect fit might not be there. It is best to either keep apart or separate with some protective layer of cushioning material and 2. These fossils can cost a lot, and your's looks real nice, so someone gave you a real nice gift (most likely well over $500 US, and perhaps over $1000). Keep it protected and safe.

I can't see enough details to guess at the value. Surely, it's worth taking care of it.

Here a little fish from my shelf that I was able to identify using a 1985 paper (in German). Here are the details of that paper:

Documenta Naturae Nummer 26

ISSN 0723-8428

Kreide-Fische Brasiliens

(no author cited)

---------Harry Pristis

post-42-1202162043_thumb.jpg

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worthy 55

Thats a cool fossil!!!! :Thumbs-up: How can you tell that there is a fossil in a rock? :Cave Man:

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kauffy

that is a very cool fossil fish indeed, has it been squished down (thus looking at the top* of the skull and body?) or am i just going crazy????

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Guest N.AL.hunter
Thats a cool fossil!!!! :Thumbs-up: How can you tell that there is a fossil in a rock? :Cave Man:

1. Lift it up and feel the heft. 2. Smell for them. 3. Lick the rock for fossil taste 4. Place next to your ear and see if it calls out to you... or Split the darn thing open! Seriously, without splitting (or an expensive trip to radiology) you can't know what's inside, but a lot of time there is just a little bit visible at the surface. I've found concretions that will have a clearly visible 'line' on the outside where part of the fossil within is reaching the surface. You split parallel with that line. Also have found many concretions with nothing inside, and some with nothing visible on surface and yet full of fossil. A good rule of thumb is, if the concretions in the area have produced fossils before, then they most likely still do, so split carefully. And one more thing, I usually find natural fractures in the concretions and just gently tap into them for the split.

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