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Showing results for tags 'atrypa'.
From the album: Lime Creek Devonian Rockford IowaAtrypa devoniana. Can be confused with two other genus species even thought it is low in diversity of shapes. Its shell is fragile, and more likely to be misshaped during the fossilization progress. Juvenile can be easily confused with Spinatrypa rockfordensis.
Hoooooooooooorrrrrrrrrrrraaaaaaayyyyyyyyyyy!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Here we are at last, into Adam's Silurian. Thanks for looking. First up is the Lower Silurian or Llandovery and I begin with a problem. I posted this one incorrectly in Adam's Ordovician as it had got it's label muddled up with an Ordovician Favosites I had that has vanished in the move here, but is being replaced by kind forum member @Herb Anyway, this, I remember now I've found the correct label, is from the greenish Browgill Formation, part of the Stockdale Group from a cutting near Skelg
Yesterday we went on a fieldtrip organised by my geology club in the area of Marche en Famenne. In the morning the first stop was the visit of the "Grottes de Hotton" but me and my girlfiend didn't do this visit, so we got around 11am at the grottes to wait for the rest of the group. the weather was sunny and the temperatures very pleasant, this was going to be a very nice spring day. When the group was complete we hit the road to the quarry a couple of kilometers further. first we got a quick lesson about the geology of the quarry and safety mesures ( the sediments in t