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Newbie ID Help 1 - Snails and a twig?


Cheecheecago

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Cheecheecago

Hi, my kids and I are completely new to this, would love some help.

Also if there is a paleontology version of "Let Me Google That For You", or Fossil ID for Dummies, etc., we'll gladly take those too!

 

We found this one in Pit 11 of Mazon Creek a few weeks ago, on an eroded slope under heavy shrub cover. It was found as-is (exposed), this was not inside a nodule. The rock is harder than the sandstone of the nodules. To my untrained eye it looks like debris in pond muck: snail shells, and a twig. I found a very similar fossil last summer on a rocky beach of Lake Michigan, though much more worn down and polished.

IMG_6008.jpg

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Crinoid stem segments (the disk's) & possibly a bryozoan (twig thing).

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fifbrindacier

I agree with Dave.

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Interesting. I would guess it was dropped by a collector, it is certainly not native to the area.

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Fossildude19

Helpful LINK for newbies.  ;) 

 

 

EDIT: for Mazon Creek ID's you can look through RCFossils' Galleries. 

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Cheecheecago

wow, thanks for the quick responses, ponderings, and links--they're most encouraging!

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Mark Kmiecik
52 minutes ago, connorp said:

Interesting. I would guess it was dropped by a collector, it is certainly not native to the area.

Probably from one of the five limestone layers that sit above the Francis Creek Shale. I have found crinoid exposures in the upper stretches of Mazon Creek. 

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Rob Russell
18 hours ago, Mark Kmiecik said:

Probably from one of the five limestone layers that sit above the Francis Creek Shale. I have found crinoid exposures in the upper stretches of Mazon Creek. 

I’ve found a few cephalopod steinkerns out there myself. 

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