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Gastropod Concretion?


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Posted

Anyone have any ideas on this one? Diameter of the concretion is about 1.5 inches, found in Washington State.

post-17365-0-84474300-1421302056_thumb.jpg

Posted

Welcome to TFF! It looks like a bivalve shell. Not sure on species. Well preserved, and nice find :)

Posted

Could be a bivalve, also reminds me of a gastropod as well...I'm sure those more familiar with Washington state concretions will chime in. Can you give a more specific area where it was found? This will help determine age and potentially help identification.

Welcome,

Cheers

Chris

"Turn the fear of the unknown into the excitment of possibility!"


We dont stop playing because we grow old, we grow old because we stop playing.

Posted

I'm reminded of a gastropod along the lines of Bulla (see here for images of several species). Unfortunately, I think you will have to prep it more to uncover enough features (such as the spire, which would be recessed in the rest of the shell, not sticking out) for a more confident ID.

Don

  • I found this Informative 1
Posted (edited)

I also see more of a tightly coiled with large aperture gastropod. Nice find.

Edited by jpc
  • New Members
Posted (edited)

Thanks very much for the replies all! This was found in a residential area about 15 miles north-east of Seattle. The pictures of the Bulla look pretty darn close. I had never considered prepping the fossil any more, but from what I've read on the forum here it seems I might be able to clean it up a bit without too much risk of destroying it.

From a little bit of digging around online, it appears these marine life concretions are fairly common in several areas near there. Looking forward to finding some more!

Edited by 1fossilfinder
Posted

Being that what is showing is off center tells me gastro, but the shell material looks clammy? Good luck

RB

Posted

I've got to go with bivalve wish I could see the other side pry it out lol just joking

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