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Showing results for tags 'Plants'.
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From the album: Nord-Pas-de-Calais coal-mining district (Hauts-de-France, France)
© T.K.T. Wolterbeek
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From the album: Nord-Pas-de-Calais coal-mining district (Hauts-de-France, France)
© T.K.T. Wolterbeek
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- carboniferous
- france
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From the album: Nord-Pas-de-Calais coal-mining district (Hauts-de-France, France)
© T.K.T. Wolterbeek
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- carboniferous
- france
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From the album: Nord-Pas-de-Calais coal-mining district (Hauts-de-France, France)
© T.K.T. Wolterbeek
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- carboniferous
- france
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From the album: Nord-Pas-de-Calais coal-mining district (Hauts-de-France, France)
© T.K.T. Wolterbeek
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- carboniferous
- france
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From the album: Nord-Pas-de-Calais coal-mining district (Hauts-de-France, France)
© T.K.T. Wolterbeek
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- calamites
- carboniferous
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From the album: Borinage coal-mining district (Hainaut, Belgium)
© T.K.T. Wolterbeek
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- belgium
- carboniferous
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From the album: Steinbruch Piesberg (Osnabrück, Germany)
Suggestions on ID welcome!© T.K.T. Wolterbeek
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From the album: Steinbruch Piesberg (Osnabrück, Germany)
Suggestions on ID welcome!© T.K.T. Wolterbeek
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From the album: Steinbruch Piesberg (Osnabrück, Germany)
Suggestions on ID welcome!© T.K.T. Wolterbeek
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From the album: Steinbruch Piesberg (Osnabrück, Germany)
Suggestions on ID welcome!© T.K.T. Wolterbeek
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From the album: Steinbruch Piesberg (Osnabrück, Germany)
Suggestions on ID welcome!© T.K.T. Wolterbeek
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From the album: Steinbruch Piesberg (Osnabrück, Germany)
Shows superficial similarities to Sphenopteris spiniformis but lacks spines and has more divided pinnules. Suggestions on ID welcome!© T.K.T. Wolterbeek
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From the album: Steinbruch Piesberg (Osnabrück, Germany)
Shows superficial similarities to Sphenopteris spiniformis but lacks spines and has more divided pinnules. Suggestions on ID welcome!© T.K.T. Wolterbeek
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- carboniferous
- germany
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From the album: Steinbruch Piesberg (Osnabrück, Germany)
Shows superficial similarities to Sphenopteris spiniformis but lacks spines and has more divided pinnules. Suggestions on ID welcome!© T.K.T. Wolterbeek
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- carboniferous
- germany
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From the album: Steinbruch Piesberg (Osnabrück, Germany)
Suggestions on ID welcome!© T.K.T. Wolterbeek
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- carboniferous
- germany
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From the album: Steinbruch Piesberg (Osnabrück, Germany)
Shows superficial similarities to Sphenopteris spiniformis but lacks spines and has more divided pinnules. Suggestions on ID welcome!© T.K.T. Wolterbeek
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- carboniferous
- germany
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From the album: Steinbruch Piesberg (Osnabrück, Germany)
Shows superficial similarities to Sphenopteris spiniformis but lacks spines and has more divided pinnules. Suggestions on ID welcome!© T.K.T. Wolterbeek
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- carboniferous
- germany
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From the album: Steinbruch Piesberg (Osnabrück, Germany)
Shows superficial similarities to Sphenopteris spiniformis but lacks spines and has more divided pinnules. Suggestions on ID welcome!© T.K.T. Wolterbeek
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L.S., Some TFF members may recall that I've posted about this specimen back in 2018 (this post, to be exact). This weekend, I'm going through drawers with fossils to try to identify some old finds. After looking at this particular specimen again, I think the tentative ID "cf. Zoophycos (?)" from six years ago is probably not correct. Therefore, I'd like to resubmit this one for evaluation by the esteemed TFF membership once more. The overview photo below (please click to enlarge) shows three spiral structures on the right hand side and a larger "C-shaped structure" more to the centre of the image. Combined, the three spirals are 16 mm long (distance measured as seen vertically on the overview photo). The second photo shows a microscope image that I made today. At least the lowermost spiral seems to be surrounded by a "hairy" rachis-like structure, with narrower hairy stems going in between the segmented structures of the spiral (possible pinnules?). Back in 2018, I did not have microscope images to share on TFF and the suggested ID as "cf. Zoophycos (?)" made sense to me (at least the specimen ended up like that in my current database). But looking at the fossil again, I think this really is something vegetative. Fossil fiddleheads (Spiropteris sp.) are well-known from the Carboniferous, but these would be the smallest ones I've seen. The nature of the C-shaped structure wasn't really resolved back in 2018, but could this be related to the supposed fiddleheads somehow? Could the C-shaped structure represent remnants of a seed for example? The area "connecting" the C-shaped structure and spirals shows a lot of interesting texture with additional/overlapping, even smaller spirals (?) but is rather rough and difficult to photograph (see third photo though). The "innards" of the C-shape are relatively flat, but this may caused by the straplike leaves/stems that seem to be preserved in a plane just above the other structures. You can see this layer-on-top quite clearly on the third photo, at the end of the rachis of the leftmost spiral and directly to its right. Yet I do not dare try remove this layer and risk damage to the fossil... Given the really tiny size of the spiralled leaflets, I was wondering if someone here knows of any literature on "seedlings" of Carboniferous plants? What would that very early ontogenetic stage look like? Some examples for comparison would be great! Thanks for your interest, Tim
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- carboniferous
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From the album: Steinbruch Piesberg (Osnabrück, Germany)
4.2 mm long, 1.7 mm wide© T.K.T. Wolterbeek
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- carboniferous
- cupule
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From the album: Steinbruch Piesberg (Osnabrück, Germany)
4.2 mm long, 1.7 mm wide© T.K.T. Wolterbeek
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- carboniferous
- cupule
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From the album: Nord-Pas-de-Calais coal-mining district (Hauts-de-France, France)
© T.K.T. Wolterbeek
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- carboniferous
- france
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From the album: Nord-Pas-de-Calais coal-mining district (Hauts-de-France, France)
© T.K.T. Wolterbeek
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- carboniferous
- france
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(and 1 more)
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From the album: Nord-Pas-de-Calais coal-mining district (Hauts-de-France, France)
© T.K.T. Wolterbeek
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- carboniferous
- france
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(and 1 more)
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