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Showing results for tags 'duck creek formation'.
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I went fossil hunting Sunday in the Duck Creek Formation with my daughter. I found 3 small ammonites, numerous echinoids. There were also Inoceramus clams, large burrows and this things. I have no idea what this is. My impressionable mind wants to think it is part of a lobster since I saw the large burrows, but I’m pretty sure that isn’t likely. Since it is only a fragment it may not be identifiable as to belonging to any critter. It is about 3 inches long by 2.5 inches wide. Pic 1 top view. #2 end one #3 end 2 #4 Side view #5 bottom view. Pretty nondescript.
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I have some extra fossils I want to trade. I'm looking for trilobites or megalodon teeth but I will consider other offers. The first group is from the Grayson Marl Formation in Denton County, Texas. It includes two Mariella ammonites, two shells, two clams, three brachiopods, two partial Cymatoceras nautiloids and one complete Cymatoceras.
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This slab is a piece of a larger rock with lots of these fossils. You can also see them on the edge of the slab in cross-section. I hesitate to make any guesses on this one, it's like nothing I've seen. The hash marks are mm. From another place on the slab
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I have three groups of fossils from Texas to trade. I am mainly interested in trilobites, Megalodon teeth, and Ammonites but I will accept other fossils. The first group is from Lake Texoma. It includes an unprepared ammonite, a idiohamites ammonite, a partial ammonite, echinoids, clams and an unprepared echinoid.
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Found these embedded in limestone on a creek bank. According to USGS map this area belongs to Fort Worth limestone and Duck Creek Formation undivided. Any idea what these might be? If they aren't in the same rock layer where ammonites are found, I would probably mistaken them for modern day shell. Is it possible for fossils to keep it's color pattern when they are fossilized?
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The lure of ammonites was strong, but with the US Army Corps of Engineers regulations regarding fossil hunting on USACE-managed land, I figured I'd play it safe & only collect photographs of what I saw. It was a bit refreshing to walk out of a fossil site without what felt like 500 pounds of rock in my backpack!
