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mosasaur skull. what is it exactly?


peterXII

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hallo community!

few days ago i ve bougt a mosasur skull on an auction.

Could anybody help me by giving me some informations about what actually i own now.

As you see i am not an expert but i am very interested in fossils.

thanks for your help.

 

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0C48DE3D-FA60-4289-B3F9-75C578E440C1.jpeg

Edited by peterXII
not well cropped
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Cropped and enlarged: 

 

862CDE69-2CEA-4D59-8D49-6C140EA53BFD.thumb.png.be70d352157fc1bdb5f208a0c53526b9.png

 

57926A47-E664-4542-86B8-C8A3A3789B42.thumb.png.e331644a3cb37efb8891a57763e5e3f0.png

    Tim    -  VETERAN SHALE SPLITTER

   MOTM.png.61350469b02f439fd4d5d77c2c69da85.png      PaleoPartner.png.30c01982e09b0cc0b7d9d6a7a21f56c6.png.a600039856933851eeea617ca3f2d15f.png     Postmaster1.jpg.900efa599049929531fa81981f028e24.jpg    VFOTM.png.f1b09c78bf88298b009b0da14ef44cf0.png  VFOTM  --- APRIL - 2015  

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"In every walk with nature one receives far more than he seeks."

John Muir ~ ~ ~ ~   ><))))( *>  About Me      

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This thread would do much better in the Fossil ID category, if you want to create a new thread there you can ask people this question.

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First welcome to the forum! 
Actually there are two questions here. One is is it real? Fake? Or composit?

and the second is what is it?

Was there any information from the seller like where it was found or age of formation? What size is it? 
Can we get more pictures from top, bottom, front, back? Preferably with a ruler showing size?

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23 minutes ago, KingSepron said:

This thread would do much better in the Fossil ID category, if you want to create a new thread there you can ask people this question.

I wouldn’t create a new one. No need in duplicates. Maybe an admin could move it if the OP is looking for an ID rather than wanting to know if it is real or not, but I have a feeling it would fit well in either category. ;) 
 

 

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The good thing about science is that it's true whether or not you believe in it.  -Neil deGrasse Tyson

 

Everyone you will ever meet knows something you don't. -Bill Nye (The Science Guy)

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Welcome to the Forum!  If you are interested in fossils, you have come to the right place.

 

The first question concerns the authenticity of the specimen, so the post is fine where it is.

 

I'll second Randy's requests for more photos before offering an opinion. 

 

Don

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It has the appearance of Halisaurus . Is its origin Morocco? Of course, as previously posted above more information and photos will be required for anything more than my extremely casual attribution.  

Human beings, who are almost unique in having the ability to learn from the experience of others, also are remarkable for their apparent disinclination to do so. - Douglas Adams, Last Chance to See

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To assess if its composited will need sharp closeup pictures of the lower jaw so we can see the teeth and different views of the skull.  Your current images are grainy and fuzzy

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1 hour ago, KingSepron said:

This thread would do much better in the Fossil ID category, if you want to create a new thread there you can ask people this question.

And you can always tag a moderator or administrator to move the topic. :) 

This is preferable to having two posts about the same fossil. ;) 

    Tim    -  VETERAN SHALE SPLITTER

   MOTM.png.61350469b02f439fd4d5d77c2c69da85.png      PaleoPartner.png.30c01982e09b0cc0b7d9d6a7a21f56c6.png.a600039856933851eeea617ca3f2d15f.png     Postmaster1.jpg.900efa599049929531fa81981f028e24.jpg    VFOTM.png.f1b09c78bf88298b009b0da14ef44cf0.png  VFOTM  --- APRIL - 2015  

__________________________________________________
"In every walk with nature one receives far more than he seeks."

John Muir ~ ~ ~ ~   ><))))( *>  About Me      

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1 hour ago, Randyw said:

First welcome to the forum! 
Actually there are two questions here. One is is it real? Fake? Or composit?

and the second is what is it?

Was there any information from the seller like where it was found or age of formation? What size is it? 
Can we get more pictures from top, bottom, front, back? Preferably with a ruler showing size?

I'm guessing the OP may not have received the fossil yet. 

    Tim    -  VETERAN SHALE SPLITTER

   MOTM.png.61350469b02f439fd4d5d77c2c69da85.png      PaleoPartner.png.30c01982e09b0cc0b7d9d6a7a21f56c6.png.a600039856933851eeea617ca3f2d15f.png     Postmaster1.jpg.900efa599049929531fa81981f028e24.jpg    VFOTM.png.f1b09c78bf88298b009b0da14ef44cf0.png  VFOTM  --- APRIL - 2015  

__________________________________________________
"In every walk with nature one receives far more than he seeks."

John Muir ~ ~ ~ ~   ><))))( *>  About Me      

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    Tim    -  VETERAN SHALE SPLITTER

   MOTM.png.61350469b02f439fd4d5d77c2c69da85.png      PaleoPartner.png.30c01982e09b0cc0b7d9d6a7a21f56c6.png.a600039856933851eeea617ca3f2d15f.png     Postmaster1.jpg.900efa599049929531fa81981f028e24.jpg    VFOTM.png.f1b09c78bf88298b009b0da14ef44cf0.png  VFOTM  --- APRIL - 2015  

__________________________________________________
"In every walk with nature one receives far more than he seeks."

John Muir ~ ~ ~ ~   ><))))( *>  About Me      

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fake , it s some frankenstein beetween halisaurus arambourgii and halisaurus walkeri.

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The trouble with having an open mind, of course, is that people will insist on coming along and trying to put things in it. Terry Pratchett ...

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wow thank you for so many answers! i am so happe there are people like you.

before i move to the ID section, could we check if it is fake or not?

therefore i post all the fotos i have.

the size is 81cm

..And you where right, i haven t recieved the fossil yet.

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C6A6689C-C410-4B4C-983B-E37C76A248DD.jpeg

Edited by peterXII
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1 hour ago, jnoun11 said:

fake , it s some frankenstein beetween halisaurus arambourgii and halisaurus walkeri.

How can you tell? Please give more details.

 

Greetings from the Lake of Constance. Roger

http://www.steinkern.de/

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hi ludwigia

with the new pictures, i see better, its a platecarpus ptychodon. that must looking like the one on a two pictures here. the base of each tooth missing , the contact jugal posorbitofrontal. the shapes of the teeth., the quadrate . the guy preparing this skull ignore everithing about anatomy , the basioccipital is a vertabrae with plaster. the pterygoids teeth didnt have this shape. and the processus of the pterygoid is missing or  not just missing but the end of the pterygoid is here, fused with the parasphenoid what is wrong.

in lot of skulls on a market i will not choiced this one.

like i said many time, before buying something, asking for the pictures of the specimen on his plaster jacket help a lot to understand what is real or not , never trust one dealer so nice it is, he want your money first.:)

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post-2284-0-40825100-1364306482.jpg

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The trouble with having an open mind, of course, is that people will insist on coming along and trying to put things in it. Terry Pratchett ...

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More as 90% of these 3D skeletons in the market (I would say EVERYTHING Moroccan bone related, when it's complete skeletons and skulls, ALL, often even if plaster-jacketed is supplemented to look fashionable, but to avoid injustice...) are compositions at best, often frankensteins and restored... Not an expert here, but do not expect all natural condition, no matter the price or what sellers say! This is where the real money is... But if you didn't study vert paleontology it can be really tricky to see which (real) bones don't fit or what's enhanced with recent bones or sculptured and painted. In your specimen composited teeth are the easiest "issue" to notice, but probably more. I would be surprised even, if lower and upper jaw are from the same animal? 

 

Nice decoration piece though, like almost everything in this biznis nowadays.

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like said aeon most of the specimens rebuild in 3D ,on market are compositions or mixed specimens .

but exist super specimens in good conditions sometime , the specimens are found in a phosphate mine , the locals diggers  extracting the bones in relatively good conditions( for that, they are the best), after when they remove the matrix around the bones you have breackages, and when somebody begin to want build them in 3D the missing part are often restored with plaster in morocco and with everithing in other world... most of people preparing bones have no degree or diplomes of any kind, they just copy some pictures found in internet, they do something approximatly looking like a real skull.

but is so many there, so on hundred of brocken skeletons you find sometime a good one.

its the foreign customers or dealers asking for a ship  frankenstein, because most of them understand that most of the people ignore everithing about anatomy. i can not blame the locals to do that because they have to sale the bones for pay the bills.

the frankenstein is in american or european  litterature , most of the specimens in museums are composed by many specimen, from dinosaurs to whales. but if the dealer said to the customer its composed why not. the problem is most of the dealers (and not just the morocans...) tell the customer its genuine.

asking for the pictures of the unprepared material is the best way to understand what you buy, also on good skull take one year to prepare, the buisness have not this patience, customers dont wanted to  spend lot of monney in rare specimens , everibody want a beauty for a low price, the best way is preparing your own specimens , so you will know exactly what you have in your hands.

following a picture of the platecarpus skull before preparation for an exemple what is a good specimen .

i appologize for the horrible frenglish.

DSC08147.JPG

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The trouble with having an open mind, of course, is that people will insist on coming along and trying to put things in it. Terry Pratchett ...

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thats right!

thank you for the time you have invested in giving me/us all the information about those fossils.

Could anybody answer me one last question?

what do you think is the value of the skull and what does a propper one cost?

Edited by peterXII
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hi peter XII

is no fix price for that , depending on your relationship with the dealer or your own knowledge. with your knowledge your able to understand what is good or not , and so , making a good deal.

the deal is good when the buyer and the saler are happy .

i want tell in america one skull unprepared of platecarpus from texas cost more, morocco material is much more cheaper.

Edited by jnoun11
adaptation
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The trouble with having an open mind, of course, is that people will insist on coming along and trying to put things in it. Terry Pratchett ...

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16 hours ago, peterXII said:

thats right!

thank you for the time you have invested in giving me/us all the information about those fossils.

Could anybody answer me one last question?

what do you think is the value of the skull and what does a propper one cost?

 

@peterXII @jnoun11

Please remember that valuations are not permitted on this forum.  Thank you for your help.  ;)

The human mind has the ability to believe anything is true.  -  JJ

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