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Help For A Trilobite Noob


fossilized6s

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I found my first bits of Trilobites yesterday! I went to an area I was told about near South Beloit, WI. I tried my luck and hunted for about an hour. I first I knew I found some bits. But when I got my pieces home to my amazement I found a few more than I thought.

I am a complete bug noob. So i can use any and all help to ID my bits. I'm also not sure what formation they are from. But hopefully I can provide that info soon.

Unknown #1

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post-14584-0-02882500-1441728225_thumb.jpg

Unknown #2. I prepped out these associated rugrose and found an associated trilobite. Kinda cool.

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Unknown #3

post-14584-0-50964200-1441728263_thumb.jpg

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Unknown #4

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Unknown #5

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Continued......

Edited by fossilized6s

~Charlie~

"There are those that look at things the way they are, and ask why.....i dream of things that never were, and ask why not?" ~RFK
->Get your Mosasaur print
->How to spot a fake Trilobite
->How to identify a CONCRETION from a DINOSAUR EGG

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Unknown #6 I haven't a clue what this piece is from. I've never seen anything like it.

post-14584-0-43704600-1441728615_thumb.jpg

post-14584-0-22621400-1441728624_thumb.jpg

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Unknown #7. Tiny trilo

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I really appreciate any help to get me started on my trilobite ID knowledge.

~Charlie~

"There are those that look at things the way they are, and ask why.....i dream of things that never were, and ask why not?" ~RFK
->Get your Mosasaur print
->How to spot a fake Trilobite
->How to identify a CONCRETION from a DINOSAUR EGG

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Nice finds and prep on them to get them to show better. :1-SlapHands_zpsbb015b76:

I am shocked that with 3500 posts that you have not been bug hunting before. :faint:

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Nice finds and prep on them to get them to show better. :1-SlapHands_zpsbb015b76:

I am shocked that with 3500 posts that you have not been bug hunting before. :faint:

Haha! It's been a long time coming.

~Charlie~

"There are those that look at things the way they are, and ask why.....i dream of things that never were, and ask why not?" ~RFK
->Get your Mosasaur print
->How to spot a fake Trilobite
->How to identify a CONCRETION from a DINOSAUR EGG

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#1 Isotelus head?

I'll look it up. Thanks.

I know #2, #3 and #5 are all of the same species. I'm just not sure which.

~Charlie~

"There are those that look at things the way they are, and ask why.....i dream of things that never were, and ask why not?" ~RFK
->Get your Mosasaur print
->How to spot a fake Trilobite
->How to identify a CONCRETION from a DINOSAUR EGG

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I believe #4 is a Thaleops Ovata pygidium.

So I believe these to be from the Ordovician.

Edited by fossilized6s

~Charlie~

"There are those that look at things the way they are, and ask why.....i dream of things that never were, and ask why not?" ~RFK
->Get your Mosasaur print
->How to spot a fake Trilobite
->How to identify a CONCRETION from a DINOSAUR EGG

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You got one of them as I was assembling this comparison of figures / photos.

Number 1 is a ceraurid hypostome. Number 6 is an Isotelus pleural facet.

These 3 are: Thaleops, Ceraurinella, Eomonorachus

post-4301-0-70989600-1441733307_thumb.jpg

image.png.a84de26dad44fb03836a743755df237c.png

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Congratulations Charlie! I was going to call you to see if you wanted to hit a road cut or two yesterday. Now I'm sorry I didn't! :). Yale Bridge Rd?

Finding my way through life; one fossil at a time.

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#6 might be a hypostome of an Isotealus

Really nice finds!!!

Here's my opinion:

1-Isotelus cefalon

2 and 3-horn corals

4-trilo cefalon

5-trilo cefalon,also

6-Nuculites bivalve http://www.thefossilforum.com/index.php?/topic/32136-red-hill-fragment-fish-part-or-shell/

7-cystoid(???)calyx and trilo pygidium

Thanks, guys!

You got one of them as I was assembling this comparison of figures / photos.

Number 1 is a ceraurid hypostome. Number 6 is an Isotelus pleural facet.

These 3 are: Thaleops, Ceraurinella, Eomonorachus

attachicon.gifIMG1.jpg

Thank you, Scott. I think you're spot on.

Charlie!!! About Time!!

Great finds! I see no further help is needed.

Best regards

Thanks, Paul. I am excited as one can be for such small bits. Haha

Congratulations Charlie! I was going to call you to see if you wanted to hit a road cut or two yesterday. Now I'm sorry I didn't! :). Yale Bridge Rd?

Yup. I was actually going to call you as well. But I wasn't sure where I was going. I just knew I needed to go. I ended up there. I also did some scouting around there and have a few spots I want to try.

~Charlie~

"There are those that look at things the way they are, and ask why.....i dream of things that never were, and ask why not?" ~RFK
->Get your Mosasaur print
->How to spot a fake Trilobite
->How to identify a CONCRETION from a DINOSAUR EGG

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Cool. I've found a few spots up that way I'd like to check out myself. Perhaps later this fall we can hit it. By the way, Braceville hunt with Esconi the last weekend of the month. I've already confirmed.

Finding my way through life; one fossil at a time.

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Unknown #6 for me looks to resemble very well some kind of "razor clam", but is much much more elongated than Nuculites, looks more like Orthonata, but I think differs from that. Nice finds Charlie!!!

" 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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  • 2 weeks later...

You were collecting the Platteville Formation. Your trilobite parts are:

1) a hypostome of a Falleana indeterminatus (very rare)

2) Ceraurinella scofieldi glabella

3) Ceraurinella scofieldi glabella

4) Thaleops ovata pygidium

5) Ceraurinella scofieldi glabella

6) a Bumastoides milleri or Falleana (you've uncovered the front of the glabella)

7) Encrinuroides rarus pygidium

You can see these on the website Midwestpaleo.com

Al

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