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Showing results for tags 'Adelophthalmus'.
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Here are some rare Eurypterids I traded and then received in the mail yesterday. Fossil one: Undescribed stylonorid from the Silurian of Ukraine. Fossil two: Adelophthalmus sp. from the carboniferous Knob noster Missouri. This specimen is preserved in a nodule, and I have pictures of both halves.
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- stylonorid
- eurypterid
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From the album: Eurypterids
From Noudules near knob noster.-
- adelophthalmus
- eurypterid
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Eurypterid or sponge bored orthocone? Revisiting a Mississippian puzzle
TqB posted a topic in Fossil ID
A while ago, I was convinced that this was an orthocone with possible sponge borings though it was never really resolved. http://www.thefossilforum.com/index.php?/topic/77979-strange-infestation-on-orthocone-shell-mississipian-ne-england/& @Al Dente suggested eurypterid as a possibility which I argued against, largely because they've never been found around here. However, a friend of mine has now found some undoubted eurypterid fragments in equivalent beds in Scotland, 120 miles away or so and where the faunas have much in common. He's pretty sure that this is indeed eurypterid (based on just a couple of closeup photos). I'm rather hoping it is though the boring sponge is also pretty interesting. Searching throws up Adelophthalmus as a distinct possibility, based on the ornament (see reference and drawing at the bottom of the post). So here it is again - eurypterid or bored orthocone? Brigantian (Mississippian) marine shale, Co. Durham, NE England. (Many more photos on the original thread, including very close up. The little rings are preserved in solid pyrite and go right through the shell/carapace.) From this paper on Pennsylvanian Adelophthalmus https://www.foss-rec.net/8/3/2005/fr-8-3-2005.pdf- 11 replies
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- eurypterid?
- mississippian
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