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Showing results for tags 'eyes'.
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Trilobites were thought to be the only arthropods without median eyes. Turns out we just weren't looking hard enough: https://phys.org/news/2023-03-eyes-trilobites.amp The 3 additional eyes are marked by the white arrows in L below (only visible due to damage to the glabella which normally covers them):
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I found this amazing fossil and I've just been so interested in it! I think it might be an aquatic reptile of which I can't remember the name of but it was found in a watery rocky sewer area near where I reside. I noticed it looked like an animal and took it home. I've washed it and took these pictures and really would love it if someone could help me identify it. Thanks
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I’m currently working on a secret paleo-recreation project and was wondering whether Eurypterids (sea scorpions), specifically of the suborder Eurypterina, had 360 degrees of eyesight (like modern flies) due to compound eyes? If not, then could they move their eyes independently of one another? Or in other words, could sea scorpions move their eyes to look in two different directions at once?
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Hello all! This is my first post in the forum besides the introduction. I’m open to any and all interpretations on this piece. Did I just find a fish head in my backyard? There are tons of fossils (marine and palm) pouring out of the hills on my property. I’m so close to Chattanooga (10 minutes away), I imagine we would share similar geology but I’m unsure and try not to make assumptions. Yay for the scientific method! Found on the surface at the base of a shallow ravine among lots of fossil palm wood, shale outcroppings, and some volcanic(?) glass. Northern Walker co, Georgia, USA. Pictures are as follows... 1) “Right” side 2) “Left” side 3) “Top” 4) “Bottom” with “mouth” facing left 5) “Back” side with “top” at the top of photo 6) “Underside” with “mouth” at bottom left of photo 7) The location behind my driveway that keeps vomiting out fishy bits and petrified wood!
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Does anyone have, or can find, a picture of a fossil of the head horns of hybodus? Not the fin spines, but their "devil horns". I can't find any pictures of them that include visible horns...or at least that I can make out.
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https://theconversation.com/eye-opening-discovery-54-million-year-old-fossil-flies-yield-new-insight-into-the-evolution-of-sight-121867
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When I was cleaning up scraps of shale from my prep floor today, I saw parts of trilobites on some of the pieces of shale. The rock was collected recently and a complete Eldredgeops was removed. This shale is Middle Devonian in age and is very hard (almost like limestone). Trilobites in this layer are well preserved and 3D. The trilo parts I found were the cephalon of a small Pseudodechenella, pygidium of a Greenops, and the eye of a Dipleura. I spotted the Dipleura as just a small piece of exoskeleton in the side of the shale. I knew it was a piece of Dipleura shell, and I knew it was just a piece, but I was curious. The fossil was lying on a crack in the shale that I easily split open with a small chisel. When the eye popped out of the matrix I thought it was pretty funny and said to my girlfriend "well i'll be darned".
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From the album: Finest Chengjiang
A wonder specimen with eyes preserved.-
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