Fossilized small eggs in limestone.....??

[Paula Savino]

I found this in my back yard while digging around in my garden area, tons of limestone rock around, and quarries. So i never thought to look twice. But this time i did and i have kept it close ever since. I am dying to know what this is, it apears to be eggs that are fossilized but if so what kind?I have a collection of pretty much everything dinosaur or fossil related, etc. But the only egg or egg shells i have are dinosaur.

These are much smaller, and they have the same type of patterns too.


EDIT:
Added additional high-res pictures and HD video of specimen

Images:


Video: If needed, portable VLC player
[video]https://dl.dropbox.com/u/101203572/fossils/eggs/2/M4H01381.MP4[/video]

 

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[centfladigger]

they look like echinoids but I can`t see detail to good in the pictures provided

 

[capt-zero]

I'm wondering if those are calcite concretions. I've seen that with some frequency in the Texas hill country. If you have enough of them, crack one open. If it is a concretion, it will have a solid nodule in the center with rays of calcite crystal growing from it.

 

[Paula Savino]

I cannot risk breaking it. I am too worried it is something special...i am taking new pics of it as i type, and they are with a better camera and of course better quality.

They seems to have an outer shell and all are similar in shape. I looked at echinoids and these are more oval. There are 3 in this stone from what i can see. So check it out and let me know. Thanks for all the input!

 

[capt-zero]

I didn't mean to break the whole thing. I noticed in your first picture the nodule on top appears to have already been partially broken and that's where you might look. Possibly crack that one piece a little more. I can understand your hesitance, I wouldn't want to damage it more than it already has been.

 

[austin]

Don't know where Longwood is, but if you're close to a large college go ask a geologist for advice. I think what you have is stuff from the high banks of a creek, solidified and containing water smoothed river rocks that have been inbedded in it, probably during floods in the distant past. But Capt. Z may be right. I don't think they are eggs though...`

 

[Paula Savino]

This thread has been moved to the fossil section. Once I figure out of to remove this thread I will.

Link to replacement post:
http://www.treasurenet.com/forums/fossils/322226-fossilized-small-eggs-limestone.html

 

[smokeythecat]

Probably the tops of fossilized shells. They may have been covered all at once. They remind me a little of current Atlantic slipper shells.