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Flattened mollusk: heteromorph ammonite or gastropod?

Max-fossils

By Max-fossils
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Max-fossils Regular Member

Max-fossils

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Hi everyone,

 

This little guy comes from Carniol, France. It is from the "Gargasian", Aptian, Cretaceous.

Surprisingly, unlike most other finds (so everything except for belemnites), this one doesn't seem pyritized...

Anyways. It's pretty flat (because of geological processes flattening it; my gut feeling says that naturally it is meant to be much rounder).

Now I'm really not sure if this is a weird heteromorph ammonite or a weird gastropod. 

I would guess that it is a gastropod simply because they are much more common, but it just looks so weird that I'm stumped.

Hopefully you guys can solve my little mystery!

If better pictures are needed, which will probably be the case, I will make them. 

 

Thanks in advance,

 

Max

 

IMG_0995.JPG

IMG_0996.JPG

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Max Derème

 

"I feel an echo of the lightning each time I find a fossil. [...] That is why I am a hunter: to feel that bolt of lightning every day."

   - Mary Anning >< Remarkable Creatures, Tracy Chevalier

 

Instagram: @world_of_fossils

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Ramon Regular Member

Ramon

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Posted

It could be a cephalopod, although I have no idea!!

 

Nice find!!

 

-Ramon

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"Without fossils, no one would have ever dreamed that there were successive epochs in the formation of the earth" - Georges Cuvier

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DeepTimeIsotopes Regular Member

DeepTimeIsotopes

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I'd say gastropod.

Each dot is 50,000,000 years:

Hadean............Archean..............................Proterozoic.......................................Phanerozoic...........

                                                                                                                    Paleo......Meso....Ceno..

                                                                                                           Ꞓ.OSD.C.P.Tr.J.K..Pg.NgQ< You are here

Doesn't time just fly by?

 

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Max-fossils Regular Member

Max-fossils

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18 minutes ago, Ramon said:

It could be a cephalopod, although I have no idea!!

 

Nice find!!

 

-Ramon

Thanks!

Max Derème

 

"I feel an echo of the lightning each time I find a fossil. [...] That is why I am a hunter: to feel that bolt of lightning every day."

   - Mary Anning >< Remarkable Creatures, Tracy Chevalier

 

Instagram: @world_of_fossils

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Max-fossils Regular Member

Max-fossils

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5 minutes ago, ynot said:

My first thought is a gastropod.

 

1 minute ago, UtahFossilHunter said:

I'd say gastropod.

Thinking with common sense that does seem to be the more sensible opinion. But I can't think of any similar gastropods with that sculpture! :headscratch:

The pictures here are despicable, newer ones are definitely needed. I'll get these up asap. 

Max Derème

 

"I feel an echo of the lightning each time I find a fossil. [...] That is why I am a hunter: to feel that bolt of lightning every day."

   - Mary Anning >< Remarkable Creatures, Tracy Chevalier

 

Instagram: @world_of_fossils

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DeepTimeIsotopes Regular Member

DeepTimeIsotopes

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Posted
2 minutes ago, Max-fossils said:

The pictures here are despicable, newer ones are definitely needed. I'll get these up asap. 

Let's see those, then we can decide.

Each dot is 50,000,000 years:

Hadean............Archean..............................Proterozoic.......................................Phanerozoic...........

                                                                                                                    Paleo......Meso....Ceno..

                                                                                                           Ꞓ.OSD.C.P.Tr.J.K..Pg.NgQ< You are here

Doesn't time just fly by?

 

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Max-fossils Regular Member

Max-fossils

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7 minutes ago, UtahFossilHunter said:

Let's see those, then we can decide.

Here they are:

 

B2FBF391-FB35-42BE-8FDC-0639932EDA0D.jpeg

70423167-6244-4432-BD69-9C4EDC986533.jpeg

Max Derème

 

"I feel an echo of the lightning each time I find a fossil. [...] That is why I am a hunter: to feel that bolt of lightning every day."

   - Mary Anning >< Remarkable Creatures, Tracy Chevalier

 

Instagram: @world_of_fossils

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Max-fossils Regular Member

Max-fossils

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The structure doesn’t look like any gastropod that I know of...

55A6858F-A618-40FC-8EDF-5009DCA8AA64.jpeg

4E05E2FB-BD10-42A2-9261-29CD8922FBB7.jpeg

67C65833-4699-497D-BA5D-6B08D02FE8F5.jpeg

464800D7-148F-421A-8D24-1D18742E8EE3.jpeg

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Max Derème

 

"I feel an echo of the lightning each time I find a fossil. [...] That is why I am a hunter: to feel that bolt of lightning every day."

   - Mary Anning >< Remarkable Creatures, Tracy Chevalier

 

Instagram: @world_of_fossils

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Max-fossils Regular Member

Max-fossils

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These pictures should give all the necessary detail (I hope)

86077F62-A155-4DBB-B055-E598ECA1817A.jpeg

FB91DEFE-DDEA-4424-BC16-9FA5B472ECF1.jpeg

B8EDB6C4-0138-4104-9585-30F5ECE3EAF2.jpeg

4B781E54-2727-49DF-ADA6-ED06F17440A3.jpeg

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Max Derème

 

"I feel an echo of the lightning each time I find a fossil. [...] That is why I am a hunter: to feel that bolt of lightning every day."

   - Mary Anning >< Remarkable Creatures, Tracy Chevalier

 

Instagram: @world_of_fossils

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Tidgy's Dad Regular Member

Tidgy's Dad

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I'm not sure, but I think gastropod. 

The pointy bit at the back looks like it could be part of the columella. 

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Life's Good!

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MOTM.png.61350469b02f439fd4d5d77c2c69da85.png.a47e14d65deb3f8b242019b3a81d8160-1.png.60b8b8c07f6fa194511f8b7cfb7cc190.png

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Herb Regular Member

Herb

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looks like a gastropod to me. Similar to this Miocene one.image.thumb.png.e3365414717170c414bb71588f02a896.png

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"Absence of evidence is not evidence of absence"_ Carl Sagen

No trees were killed in this posting......however, many innocent electrons were diverted from where they originally intended to go.

" I think, therefore I collect fossils." _ Me

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TqB Regular Member

TqB

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I think almost certainly gastropod too. As far as I can find out, you don't get turrilitid heteromorphs until the Albian.

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Tarquin

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Manticocerasman Regular Member

Manticocerasman

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I'm with Tarquin on this, to early for turrilitid ammonoids.

Also no suture lines

 

so I would say gastropod.

 

Might be something like "Cerithium aptiense" but I'm not sure

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growing old is mandatory but growing up is optional.

 

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Max-fossils Regular Member

Max-fossils

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Ok thanks everyone for the help! That last point about the age pretty much concludes the topic I believe. Gastropod it is! :yay-smiley-1:

Thank you all!

Max Derème

 

"I feel an echo of the lightning each time I find a fossil. [...] That is why I am a hunter: to feel that bolt of lightning every day."

   - Mary Anning >< Remarkable Creatures, Tracy Chevalier

 

Instagram: @world_of_fossils

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Max-fossils Regular Member

Max-fossils

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3 hours ago, Manticocerasman said:

this might also be helpful, I don't know If you found this on the net:

 

http://le-coin-a-fossiles.fr/Gargasien.html

Ah this website is awesome! I just got nearly all my stuff IDd. Thank you so much Kevin! :fistbump:

Max Derème

 

"I feel an echo of the lightning each time I find a fossil. [...] That is why I am a hunter: to feel that bolt of lightning every day."

   - Mary Anning >< Remarkable Creatures, Tracy Chevalier

 

Instagram: @world_of_fossils

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abyssunder Regular Member

abyssunder

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Posted

Can we have an apical view?

(It's definitely a gastropod, it has nothing to do with heteromoph ammonites.)

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" We are not separate and independent entities, but like links in a chain, and we could not by any means be what we are without those who went before us and showed us the way. "

Thomas Mann

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Max-fossils Regular Member

Max-fossils

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On 11/21/2018 at 10:54 PM, abyssunder said:

Can we have an apical view?

(It's definitely a gastropod, it has nothing to do with heteromoph ammonites.)

Sure thing... but what exactly is it? (I'm not yet very familiar with gastropod terms...)

Max Derème

 

"I feel an echo of the lightning each time I find a fossil. [...] That is why I am a hunter: to feel that bolt of lightning every day."

   - Mary Anning >< Remarkable Creatures, Tracy Chevalier

 

Instagram: @world_of_fossils

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DeepTimeIsotopes Regular Member

DeepTimeIsotopes

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7 minutes ago, Max-fossils said:

Sure thing... but what exactly is it? (I'm not yet very familiar with gastropod terms...)

It's the middle of the spiral. The pointed part of the shell. 

https://en.m.wikipedia.org/wiki/Apex_(mollusc)

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Each dot is 50,000,000 years:

Hadean............Archean..............................Proterozoic.......................................Phanerozoic...........

                                                                                                                    Paleo......Meso....Ceno..

                                                                                                           Ꞓ.OSD.C.P.Tr.J.K..Pg.NgQ< You are here

Doesn't time just fly by?

 

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Max-fossils Regular Member

Max-fossils

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Just now, UtahFossilHunter said:

It's the middle of the spiral. The pointed part of the shell. 

https://en.m.wikipedia.org/wiki/Apex_(mollusc)

Ok thanks, so here I suppose that @abyssunder wants a view from the top then (looking straight down)?

Most other possible views are already posted.

Max Derème

 

"I feel an echo of the lightning each time I find a fossil. [...] That is why I am a hunter: to feel that bolt of lightning every day."

   - Mary Anning >< Remarkable Creatures, Tracy Chevalier

 

Instagram: @world_of_fossils

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DeepTimeIsotopes Regular Member

DeepTimeIsotopes

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Just now, Max-fossils said:

Ok thanks, so here I suppose that @abyssunder wants a view from the top then (looking straight down)?

Most other possible views are already posted.

Most likely:P

Each dot is 50,000,000 years:

Hadean............Archean..............................Proterozoic.......................................Phanerozoic...........

                                                                                                                    Paleo......Meso....Ceno..

                                                                                                           Ꞓ.OSD.C.P.Tr.J.K..Pg.NgQ< You are here

Doesn't time just fly by?

 

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abyssunder Regular Member

abyssunder

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Posted
3 hours ago, Max-fossils said:

Ok thanks, so here I suppose that @abyssunder wants a view from the top then (looking straight down)?

Most other possible views are already posted.

exactly :)

" We are not separate and independent entities, but like links in a chain, and we could not by any means be what we are without those who went before us and showed us the way. "

Thomas Mann

My Library

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Max-fossils Regular Member

Max-fossils

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13 minutes ago, abyssunder said:

exactly :)

I'll get that done this weekend!

Max Derème

 

"I feel an echo of the lightning each time I find a fossil. [...] That is why I am a hunter: to feel that bolt of lightning every day."

   - Mary Anning >< Remarkable Creatures, Tracy Chevalier

 

Instagram: @world_of_fossils

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