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What i know of there is three supposed megalodon teeth found at two different occasions at two different locations in sweden. The first one that i came to know of was when i visited the museum of natural history in gothenburg. In one of the exhibitions i found this some years ago. Roughly translated the label tells that it was found during ploughing of a meadow at Bellskar Nordgard near Backa church, Hisingen. I was quite confused and mailed the museum asking for more information. They asked for a photo of the tooth and after i had sent it they never got back to me with any answer. The fog thickened one day when i came across these in the collections of jonkopings museum: https://digitaltmuseum.se/021028254584/fossil These two were found during construction of a house in Anderstorp, Smaland. They were found separated from each other by 70-80cm at a depth of 95cm. The stratigraphy was made up of 25cm sand followed by a layer of clay. They are both around 10cm wide and 12cm long. The Swedish museum of natural history in Stockholm acknowledges that the find is suspicious based on the location. My conclusion was at first that they were bought and "found" in means for attention. But then again we don't get any information as to when they were found. The ones in Anderstorp were donated in the 70's but they could have been laying around in box for decades before that for all we know. Another idea i had was that they might have been thrown out of a "cabinet of curiosities" but then they shouldn't have been buried in 1m of sediments. As the one in Hisingen was unearthed during ploughing it might have been buried as deep as 30cm. My last idea at the time was that maybe somehow they were transported there in glacial sediments from Gram in Dennmark? Today when writing this post i think i finally stumbled upon the answer to their origins. Jan Johanssons mentions in short the Anderstorp findings as probable "Florida manure" on his website "sveriges fossilmuseum". What this means is not explained, but i guess manure was imported at some point and it contained these teeth and probably other fossils as well by accident. If this manure was used in more locations i would bet that there's more fossils to be found. That's unless they've already been destroyed by ploughs. If there's anyone who know more about this "Florida manure" I would love to learn more.
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