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ID help please


Farmgirl

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If any one would be so kind as to help us ID these specimens for my son's geology project that would be great. I hope that it is ok to post more than  one at a time. I was outside but the light wasn't great for my macro setting so I had to use my flash. All were found in South Eastern Kansas. And I didn't realize until just now that I forgot to add in a way to tell size so if I need to retake them I can do it in the morning. Thank you so much for all your help.

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There are some fossils here. Has your son looked into the geology of SE Kansas? Seems pretty easy to find with the internet. What a great opportunity to get your son to do some research!

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1 hour ago, Kane said:

There are some fossils here. Has your son looked into the geology of SE Kansas? Seems pretty easy to find with the internet. What a great opportunity to get your son to do some research!

We have been searching the internet and asking people local to us and these are what are left that we aren't able to identify. He gathered these on a state field trip but there wasn't a whole lot of people that would identify stuff on the spot so that left us at a disadvantage. We have several books to look in as well as our field guide but these ones just have us stumped and I was pointed here as a place to look for some help. :)

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The first specimen is a partial ammonite with a bryozoan impression on the back side.  The next two are brachiopods.  Can't tell about the others.  They look jurassic which would make them close to 200 million years old.  Very nice finds. 

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27 minutes ago, M Harvey said:

The first specimen is a partial ammonite with a bryozoan impression on the back side.  The next two are brachiopods.  Can't tell about the others.  They look jurassic which would make them close to 200 million years old.  Very nice finds. 

@M Harvey these were found in Southeast Kansas, so they are definitely not Jurassic. Most likely they're Pennsylvanian.

 

Specimens 2, 3, and 5 are all brachiopods (3 might be Reticulatia). Specimen 4 looks like Limonite (maybe with some Hematite too), but I would suggest doing a streak test to be sure.

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Numbering them can be very helpful in telling one specimen from another. 

 

For the specimens in the last  photo, photos of the sides might be helpful. 

 

I look forward to learning more about the specimen which appears silver and thorny. 

 

What grade is your son in? Does he need to identify species or are less specific classifications sufficient?

 

The first photo may be of ammonite septum but is hard to tell from one angle. Septa are visible in the the next few photos as well. 

 

 

 

 

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The first several photos are of some type of coiled nautiloid, maybe Metacoceras or something similar. Here’s some Google images of Metacoceras.

 

 

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Thank you all very much. 

 

My son is 11 and we are supposed to list the Phylum, Class and Genus for all fossils. 

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6 hours ago, Christine.Rowland said:

@Tidgy's Dad I am itching to know what is depicted in the ninth photo. Any ideas? You may be able to help with other as well. 


It is the inside view of a brachial valve of a productid brachiopod.

 

 

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Here is a similar one from this thread- http://www.thefossilforum.com/index.php?/topic/78916-spiny-carboniferous-brachiopods/

 

 

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Edited by Al Dente
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6 hours ago, Al Dente said:

It is the inside view of a brachial valve of a productid brachiopod

Thank you! My research turned up nothing, though my search for spikey brachiopod was less than taxonomic, lol. 

 

@Farmgirl here is another thread which might help with your research. 
 

 

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Thank you all very much. 

 

I am sorry for not responding sooner. We have had a very busy weekend. It is so awesome to be able to finally tell what we have found and my son is excited that he is finding really fun stuff. :) 

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