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I've got a backlog of a bunch of fossils from the Silurian of Gotland that I received in a lot that I have yet to assign an identification to. In order to not overwhelm the thread with too much stuff I'll only post a few for a start. Location: Gotland (more precise info not available) Age: Late Sheinwoodian/Early Homerian Formation: Unfortunately unknown. A lot of the fossils from the same lot that I identified are restricted to the Visby Beds, but that's hardly conclusive evidence. Fossil 1 This one is especially confusing to me. Is this a colonial rugose coral that's badly damaged and heavily encrusted by a bryozoan? Or is it actually several things glued together by a bryo? Fossil 2 Fossil 3 Fossil 4 Fossil 5
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Fossil is from the Silurian of Gotland, though I am not aware of the precise stratigraphic unit from which it originates. On a broad classification level I'm virtually certain it's a tabulate coral (as you can see tabulae on the third picture), but while my initial hunch was that it's Favosites sp. I'm getting less and less sure the more I look at it. I have another Favosites specimen that I'm 100% sure about, and when I compare it to that, it definitely seems like there's subtle differences - at the very least, we'd be talking about two different species. In the last pic I've posted a comparison between the fossil in question (bottom) and a definite Favosites specimen (top). Also, what's with the random borings? To me they seem a bit too regular to just be normal geological wear and tear - some sort of trace?
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This fossil was found on one of Sweden's more well known Islands Gotland during my holiday travels. This Island Is rich In fossils from the Silurian period. What confuses me Is the pattern that looks just like a Favosite or Honeycomb coral yet the shape resembles that of a shell from a turtle? It Is oddly symmetrical, as the pattern mirrors pretty much from the center of the fossil. I can not see any underlying structures. What Is this? P.S - I have zero expertise with fossils of any kind.
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I recently found a nice Calymene tuberculata trilobite on my vacation to Gotland. I’m currently in the process of preparing it and wonder what coating I should use? Is it possible to give it a slightly wet look while not making it look glossy and artificial? I’m considering some kind of vax-based product. Any tips?
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Hello, I recently recieved an unidentified ammonite as a present and was told it came from Gotland, Sweden. However, I cannot find any information on ammonite finds from Gotland, and it looks a lot like a Madagascan Perisphinctes to me. Any thoughts? The scale is in centimeters.
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https://imgur.com/Si8x5Ve This fossil was found near the gate of Lergrav while I was on summer vacation in 2016. A somewhat famous rock formation on the north eastern side of the island of Gotland in the Baltic sea. These rock formations are known to locals as a Rauk. The main fossil is roughly 5 cm long brick red in colour with a grey segment from another individual about a centimetre long also located in the same stone. As Gotland is mainly made up from sedimentary rock from the ordoviscian and silurian mainly limestone that is when I assume the fossil is from. The fossil is seemingly made up of rows of square segments.
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These are my fossils from Gotland (southern Sweden) and they are all from silurian age. I have only photographed the most interesting specimens specifically, as i have far too many specimens to fotograph. Also, most are unidentified as i do not have much knowledge of fossil corals (which i have a lot of), or clams / sea urchins, but anyways, here it is: Corals These corals are of various different species, my most common type being Catenipora. Sea Urchins Sea Urchins like these are also quite common on Gotland Other Specimens These two fossils are by far the best ones i have from my Gotland "Expedition", first off, a nearly perfect silurian clam with no restoration or repair (however quite some prepping): And one of my two larger self-collected orthocnes: Dawsonoceras. it was a orthocone, with an unknown size, as no complete specimen has never been found: Here is the "Gotland box" where i store my fossils from Gotland, and i have as i said way too many to photograph:
