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Unknown Bone


Roz

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This is a small bone that I found recently.. It is from the Pennsylvanian Period, Texas.

I was really excited when it first opened because I thought those were teeth in

the center but they are not. They seem to be fused together.. I thought someone

might recognize it from something they have found.. I think it is part of a fish.

The first shot is for size only with all the other shots through my loupe..

post-13-0-88831800-1369233774_thumb.jpg

This shot is the negative side

post-13-0-24570500-1369233836_thumb.jpg

The rest are different views of the positive side

post-13-0-83055400-1369233951_thumb.jpg

post-13-0-42367200-1369234097_thumb.jpg

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  • 2 weeks later...

This one I found recently.. I had hoped maybe a jaw with teeth although even with

my loupe I can't tell. If they are teeth then that must be a jaw.. Does it look like a

jaw to anyone else? Pennsylvanian period (Texas)

post-13-0-83329800-1370031764_thumb.jpg

post-13-0-53166800-1370031789_thumb.jpg

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The second one reminds me of a preopercle bone on a fish, but that's just me. It may be something totally different ( probably is lol)

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Hi, Roz

I don't see jaw, other than the suggestive shape. Are there any fish that have teeth that extend up into the back of the jawbone (Ramus?)?

It looks similar to the piece in your original post, only missing about half of it.

Cool looking pieces. I'm surprised nobody recognizes them.

Steve

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How big/small is this?

That is a U.S. penny next to it..

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The second one reminds me of a preopercle bone on a fish, but that's just me. It may be something totally different ( probably is lol)

Thanks, Batty.. I will some searching on that.. :)

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Hi, Roz

I don't see jaw, other than the suggestive shape. Are there any fish that have teeth that extend up into the back of the jawbone (Ramus?)?

It looks similar to the piece in your original post, only missing about half of it.

Cool looking pieces. I'm surprised nobody recognizes them.

Thanks, Bullsnake.. I do not know if there are fish with with teeth that extend into the back.. They do look somewhat

similar although in the first fossil they look more like they are hinged together but if this one has only half it

would appear like that I am thinking. I was sure hoping for a jaw but I will keep looking! :)

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The problem with these bones is that they could just be parts of larger bones. If it came from within a cranium, it may be quite difficult to ID. I have so many in my collection with question-marks on the labels.

Edited by Missourian

Context is critical.

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That is a you.S. penny next to it..

Unfortunately I have no idea how big a penny is. I will have to try get some. I do have a dollar note though

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Unfortunately I have no idea how big a penny is. I will have to try get some. I do have a dollar note though

A penny is 1% of the size of a dollar. ;)

Context is critical.

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Sorry, Batty.. I have a ruler but it doesn't photograph well.. Do you have M&M's (candy) in Australia?

I always have plenty of those !! :rofl:

I will have to get a better ruler.. :)

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  • 2 weeks later...

I am sticking another unknown here for possible ID.. The nodule is one half of an inch.

Same age as the others.. (Pennsylvanian Period)

Images are from different angles and are taken of both the halves of the nodule..

I am thinking one of you that hunts in the same period may have found one and

knows what it is.

post-13-0-94293900-1371069640_thumb.jpg

post-13-0-64092100-1371069670_thumb.jpg

post-13-0-13428300-1371069717_thumb.jpg

Thanks!

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  • 3 weeks later...

I think I am going to have to agree with Mitch that some of these

may be from the cranium.. This one just opened recently and I

think it visually matches something in one of Mitch's post of

his fish head.. I just haven't figured out what it's called yet..

It's 3/4 of an inch..

Positive side and negative

post-13-0-88075900-1372543036_thumb.jpg

post-13-0-33384900-1372543052_thumb.jpg

Thanks..

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I think I am going to have to agree with Mitch that some of these

may be from the cranium.. This one just opened recently and I

think it visually matches something in one of Mitch's post of

his fish head.. I just haven't figured out what it's called yet..

It's 3/4 of an inch..

Positive side and negative

attachicon.gif100_5550-001.JPG

attachicon.gif100_5552.JPG

Thanks..

Ok, I received some suggestions in order of most likely for this one.. 1. a maxillary bone, from the side of the upper jaw. 2. Another possibility is from the lower jaw, or a branchiostegal ray from behind the jaw, or perhaps a bone from the shoulder girdle. Just updating..

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