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Spirifers? Delthyris? Devonian


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Anna Marie

 Of course I forgot the ruler. I have 4 of these all aprox 1/2" to 3/4" or 12.7- to 19.5mm.  I added the second pic to show that they don't look like the Mucrospirifers?? that I found there. Someone identified something very similar to it on their website as Delthyris. They are Devonian from Pennsylvania. Thanks for any help on it or actually even both if I identified the Mucrospirifers in the 2nd photo incorrectly. Thanks!!

 

delthyris2.jpg

mucro.jpg

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Megakozlowskiella sp. maybe?

 

@Tidgy's Dad

Edited by Misha
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IsaacTheFossilMan

What unit did these come from? A ruler picture of each of them would be preferred, to gather precise measurements. :rolleyes:

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Anna Marie
22 hours ago, Misha said:

Megakozlowskiella sp. maybe?

 

@Tidgy's Dad

Thanks!! Def looks like Megakozlowskiella is the way to go

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Tidgy's Dad

Those do look like they are pretty certainly :brachiopod:Mucrospirifer though the preservation and matrix seem decidedly different to the other specimen in question. 

Anyway, if this is the Mahantango Formation, which it should be at this location, then the other brachiopod is Megakozlowskiella sculptilis. 

Good call, @Misha :fistbump:

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Anna Marie
On 8/5/2022 at 12:35 PM, Tidgy's Dad said:

Those do look like they are pretty certainly :brachiopod:Mucrospirifer though the preservation and matrix seem decidedly different to the other specimen in question. 

Anyway, if this is the Mahantango Formation, which it should be at this location, then the other brachiopod is Megakozlowskiella sculptilis. 

Good call, @Misha :fistbump:

Thank you!!!!!

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