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I'm thinking the outer edge of a shell, but my friend thinks brittlestar (Shropshire, Wenlock Edge)
EntomoloJosh posted a topic in Fossil ID
Hello, I went to Wenlock Edge in Shropshire a few days ago and collected some fossils. We're all confused as to what this one could be? It's around 5-6cm across. Thank you!- 5 replies
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Embedded in a shell bed - what is it? From Mortimer Forest (Silurian; Ludlow), Shropshire UK
EntomoloJosh posted a topic in Fossil ID
Hello, I noticed this (referring to the long darker line with the circles in it) in one of the shell beds that I collected from Mortimer Forest a couple weeks ago. It doesn't really look like a shell, or part of, to me, so I'm very confused as to what it is. Thank you!- 1 reply
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Lots of fossils from Mortimer Forest, Shropshire, UK (Silurian; Wenlock)
EntomoloJosh posted a topic in Fossil ID
Hello, For a trip for my birthday, my girlfriend and I went to Mortimer Forest in South Shropshire to look for fossils, and we came across quite a few, and as I am very new to fossil collecting (only have been interested within the past few weeks, and I got the DK Fossil Handbook earlier today), I'm not entirely sure what most of them are. I've made a link to an Imgur album for all of the fossils we collected. The caption for each photo is my best guess at an ID, and the numbers denote which rocks they are in. Most of the fossils were found in/by streams, although some were found on the ground by some exposed bedrock. Thank you for reading, and I hope you can help https://imgur.com/a/sT1T0bg- 13 replies
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Hello, I recently collected a stromatoporoid fossil from Mortimer Forest in Shropshire, UK. I've since bought some general ID guides to help me with my other fossils, and in the one I'm currently using (Atlas of Invertebrate Macrofossils by John F. Murray) all of the stromatoporoid photos look to be thin sections under a microscope. I've also found a couple sources online that say stromatoporoids are identified using thin slices under a microscope. Unfortunately I don't have access to a high-powered microscope nor equipment/knowledge to produce those thin slices, and so my question is can my ID be taken further than stromatoporoid? I have a x15 hand lens but that is of course nowhere near a microscope. I think by using the general order descriptions in the Atlas I could try, but I'm not sure... Thank you
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Looks like a plant, but I'm not sure (Mortimer Forest, Shropshire. Silurian; Wenlock)
EntomoloJosh posted a topic in Fossil ID
Is this some kind of plant fossil, or just a weird-ish rock? It was about 15mm in length. Original photo: Brightened photo: Thank you!- 10 replies
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Hi Help … can anyone identify this trilobite. As a geology teacher, I was given this specimen long ago by a student/ parent. Unfortunately I do not know where it was sourced , & therefore have little clue to it’s possible name, let alone the stage or series of strata it came from. It is set in a dark grey shale (bit like Hope Shale ??) with some very very fine quartz grains in the matrix. It looks a bit like a Cambrian Ogygopsis, but this species is not found locally in Shropshire/ mid Wales. Can you suggest an ID.
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Llanvirn Series
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I'm quite sure this is gomphoceras ellipticum would anyone know what the the thin black spine's are that appear to be adhered to the fossil.
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Silurian Plant, Cooksonia ?, Wenlock Limestones, Shropshire
araucaria1959 posted a topic in Fossil ID
Hello, due to my interest in early land plants (in my area, I collected lots of plants in pragian and emsian strata), I bought two specimens of purported Cooksonia from the Wenlock Limestones, Wenlock Edge, Shropshire, UK. For the first of the depicted specimens, I got also the information about the exact locality (Shadwell Quarry). Since the matrix looks exactly the same, the second specimen is probably also from that quarry. If so, these specimens would be among the oldest macrofossils of land plants; though spores that are attributed to tracheophytes go back into the second half of the ordovician, the oldest uncontroversial tracheophyte macrofossils are from Wenlock times and assigned to Cooksonia. That's what makes this unimpressive stuff so interesting. However, I have my doubts; this time not because of its size (like the one from the Bertie Group), but because of the fully marine setting. Wenlock Limestones in general, and Shadwell Quarry also, are famous for corals and brachiopods - typical for a marine setting (possibly near the shore). Since early Cooksonia were very tiny plants, it seems quite implausible to find them together with corals and brachiopods. That's an unusual taphonomic situation for land (or shoreline) plant fossils. On the other hand, the second specimen (and that's why I bought it though I already had the first one) shows a circular structure that may well be a Cooksonia sporangium. Its diameter is about 3 - 4 mm (scale: match = 45 mm) and it shows some structures on the "cup", though not good enough preserved for further identification. It may well be that one looks at the upper side of a sporangium. If so, it is detached from the tiny stem, since the stem continues. Since Cooksonia sporangia (and those of other very early land plants) were situated terminally, the position of the purported sporangium in my second specimen can not be its original position. I hoped to find lots of information about the earliest occurrences of Cooksonia in that area in the internet, but that's not true (there are, however, reports of Cooksonia from Shropshire from younger strata, e.g. Pridoli and Lochkovian). There is a website about Shadwell Quarry, but it doesn't even mention Cooksonia: http://fossil-world.lefora.com/2010/06/07/wenlock-edge-stuff/ This stuff remembers me a lot of the coral reefs from the middle devonian of the Eifel area where I never found any fragments of land plants - though the land vegetation was already much more resistant in the middle devonian than at Wenlock times. However, there is a single hint for Cooksonia in Wenlock Limestones of Shropshire on another website: http://fossil-world.lefora.com/2010/06/07/wenlock-edge-stuff/ That's all I got so far - and so my doubts remain. Since this is an international forum, perhaps someone knows more about that? araucaria1959- 10 replies
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