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Northern Illinois Ordovician Quarry

aek

By aek
in Fossil Hunting Trips

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JUAN EMMANUEL Regular Member

JUAN EMMANUEL

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Those are gorgeous Receptaculites specimens. I also enjoyed those specimens' pictures too. 

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  • 3 weeks later...
aek Regular Member

aek

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Finally got around to researching some of the finds from this trip and I keep discovering more fossils in rock fragments left over, which is always a nice surprise. From left to right: Lingula iowensis, Liospira, Hormotoma, Richardsondoceras, Vanuxemia, Pionodema subaequata

 

IMAG8410.jpg

 

Orthocone, 3cm

IMAG8370.jpg

 

Partial Ceraurus cephalon

IMAG8377.jpg

 

Maclurite? 2mm 

maclurite.jpg

 

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JimB88 Regular Member

JimB88

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Maclurites is concentric, the one pictured is high spired. Lophospira is a good possibility with the decorative ridges. It is also known to occur in the mid Ordovician.

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aek Regular Member

aek

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3 hours ago, JimB88 said:

Maclurites is concentric, the one pictured is high spired. Lophospira is a good possibility with the decorative ridges. It is also known to occur in the mid Ordovician.

Thanks, Jim. I think maybe that could be it... Lophospira serrulata perhaps

 

 

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