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Lizard tail in Cretaceous Burmese Amber Kachin State mines


Amber Fluid Neutral

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Although lizards are prime material for fakers, i think this tail is authentic.  It is an unusial cast fossil.  Kind of like a ghost form.  It seems that the tail became detached.  Much like they do today. This is cenomanian age amber. From Myanmar kachin state. 

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Looks like skin, rather than an actual tail. :headscratch:

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dazawagnerstanleybauergrimaldi

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Sci Adv. 2016 Mar; 2(3): e1501080.
Published online 2016 Mar 4. doi:  [10.1126/sciadv.1501080]
PMCID: PMC4783129
PMID: 26973870
Mid-Cretaceous amber fossils illuminate the past diversity of tropical lizards
Juan D. Daza,1,* Edward L. Stanley,2,3 Philipp Wagner,4 Aaron M. Bauer,5 and David A. Grimaldi6
Author information Article notes Copyright and License information Disclaimer

 

 

 

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Its a hollow cylinder in the shape of a tail.  I guess this is how some of these lizards are preserved. Look online for pictures of these types. 

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Just now, doushantuo said:

Now there is lizards in amber. :dinothumb:

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I think it's most likely shed skin. It's easy to picture them needing a little sticky help getting that last section started.

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Thanks.  It is likely a skin tube then. What type of lizard? This is cretaceous age.  The oldest found in amber. Did lizards have the ability to detach tails back then?

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28 minutes ago, Amber Fluid Neutral said:

Did lizards have the ability to detach tails back then?

In this case, it isn't a tail detachment but a skin shedding. There are a few academic papers that discuss reptile skin fragments in Cretaceous amber.

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I agree that it is mostly likely a shed but lizards are know from there for which the bones, for whatever bizarre taphonomic reason, have either disappeared or become invisible. Check this lizard ghost out:

 

amber_lizard_daza_2017_09_04.thumb.jpg.5b16d271e5f56ec04a44deb63c5d3146.jpg

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That is what I was saying. I saw this one before. Well either way.  The scale pattern and shape are preserved.

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57 minutes ago, Carl said:

for whatever bizarre taphonomic reason, have either disappeared or become invisible.

Maybe they were nearly transparent to begin with ?

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55 minutes ago, Tidgy's Dad said:

And, bizarrely, it's feet still seem to be solid! 

Exactly! And you can see it's humeri and at least one femur!

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1 minute ago, Carl said:

Here another one:

This shot makes me wonder if the see through look is maybe more illusion that actual.

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You have a really nice specimen! :)

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4 hours ago, Rockwood said:

I think it's most likely shed skin. It's easy to picture them needing a little sticky help getting that last section started.

Problem. :headscratch:

I've been studying a snake skin shed. The scales are concave because the skin is inside out, and the head is split into two sections for some way from the tip.

This tail seems to have convex scales and the anterior end is purse stringed looking instead of split.

It's become easy to see a bird plucking away the body of a trapped animal or dropping the tail in pursuit of the animal.

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I really don't know about the values and I'll leave that up to you. But is it possible that the transparency is from the internal bacteria of the lizard digesting the actual body after it had become encased in resin? That could explain why it only appears to be an impression of the body (while there also appears to be a few of the bones scattered on the inside) 

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