Ezio Bonsignore Posted January 18, 2020 Share Posted January 18, 2020 I tough these two "things" were coprolites (cut and polished), but after taking a look at past discussions here I'm no longer sure. On other other hand, I don't know of minerals that would grow on a spiral. What do you think? Diameter is about 10cm and 5cm, respectively. No idea about provenance - both bought at flea markets in Germany. Thanks in advance Link to comment Share on other sites More sharing options...
FranzBernhard Posted January 18, 2020 Share Posted January 18, 2020 These are typical Trochactaeon (former Actaeonella) gigantea snails from Austria, probably from Rußbach area, Salzburg district (Gosau-group, upper Cretaceous). Google for "Trochactaeon" or "Schneckenwand". Very, very classic and plentiful Austrian Gosau fossil; occurs also in Romania. Here are some in my collection from Waaggraben near Hieflau, Styria: Franz Bernhard 6 Link to comment Share on other sites More sharing options...
Ezio Bonsignore Posted January 18, 2020 Author Share Posted January 18, 2020 Many thanks indeed! I would have never thought that snails could become fossil! Link to comment Share on other sites More sharing options...
Ludwigia Posted January 18, 2020 Share Posted January 18, 2020 5 hours ago, Ezio Bonsignore said: Many thanks indeed! I would have never thought that snails could become fossil! Just google fossil gastropods and you'll be amazed at what you come up with. Some of them can be over 500 million years old. 1 Greetings from the Lake of Constance. Roger http://www.steinkern.de/ Link to comment Share on other sites More sharing options...
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