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What is this trilobite?


noahc0d

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I can't figure out a species, or really any classification for this one. It came from the Hungry Hollow member of the Widder Formation in southern Ontario. My first thought would be greenops widderensis, but it lacks genal spines (or places where they could have broken off), as well as defined "bumps" (idk the right term) present on specimens I find on the internet. I don't think they could have eroded away either, because there are fine details still present.1254209782_IMG_09061.thumb.JPG.f3c90cfbf671a2da7f6882aef8242b77.JPGIMG_0884.thumb.JPG.73aa2bf587db4d6bde8b773904d37a38.JPG

 

I'm thinking maybe Phacops rana? I'm new to this so not really sure.

An interesting note, the little bumps on the top of the glabella are only present where there was no matrix when I found it, not really sure what that would mean. Here's how I found it20201009_225243.thumb.jpg.895485c83fbf3d6e00275a686344aed9.jpg

Sorry for the bad quality, I took this on my phone.

 

Thanks!

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Phacops rana was changed to Eldredgeops rana.

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Yes, Eldredgeops rana (the genus Phacops no longer applies to those in North America). Greenops widderensis does not occur in the Hungry Hollow Member.

 

The following trilobites are reported in the Hungry Hollow:

 

Eldredgeops rana

Crassiproetus canadensis

Pseudodechenella sp. (?rowi)

Eldredgeops iowensis southworthi

Harpidella craspedota

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8 hours ago, Ludwigia said:

Eldredegops

 

4 hours ago, Fossildude19 said:

Phacops rana was changed to Eldredgeops rana.

 

4 hours ago, Kane said:

(the genus Phacops no longer applies to those in North America

Thanks guys, also thanks for the info on what does occur there Kane, that'll be good to know in the future

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