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This summer a friend brought me this rock from the town of Pomer (Zaragoza). The age of the rocks in the area is Cambrian and I think it could be some kind of arthropod, I don't know... It was found at an altitude of 1300m. Can someone help me?

I was on a walk and this rock had broken away from the bluff and was on the trail. Does anyone know what the fossil is?

I found this along AA Highway. These where at every stop I made during my 4 hour hunt. Most were on rocks too heavy for me to lift. I did have a nice one that was a full specimen, but I lost it when I fell from the second teir of the roadcut (shouldn't have been climbing in the rain ha ha). So I tried to draw out what can't be seen in the only specimen I have. I looked through my fossil books and the closest thing I can find is maybe these are parts of cryptolithus. I wish I could have gotten more. This one is about 2.5cm long and I saw some that were slightly larger and slightly smaller.

Again, here is another invertebrate I have not been able to identify. Either way, my original guess was a trilobite pygidium, until I reviewed the fossil under different lighting, and then saw that it matched no known trilobites from this formation. So I am at a loss here. It is Pridoli, Silurian. For anyone who is interested, this came from a recent excursion to the Leighton Formation. It was found in a layer that contained only Chonetes bastini brachiopods and a few ostracods - with some possible fish bits. In the pictures below, the fossil is shown under a combination of different lightings, to show the surface texture of the specimen. The first three pictures show the cast/original of the specimen, the last two show the external mold of it. The first picture is to show what the entire thing looks like. I am pretty certain that the round piece at the top right of the picture is part of the same specimen, but I cannot be sure. Thanks in advance for your help everyone!

Hello all! I’ve been going through some of my fossils from the New Scotland Formation and I stumbled upon this intriguing little piece. It’s about a centimeter wide and seems to be separated in the middle, almost like two connected plates of some kind. I’ve got a decent collection from this formation and I’ve never seen anything like this. Hopefully somebody on here can help me out. Thanks for looking!!

Some sort of badly damaged arthropod? Do not know where it was found. Wavy lined one is around 2 cm in length Thicker one which looks like a head shield is around 1 cm in diameter and one in a half cm in length