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Showing results for tags 'Fossil fern'.
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Hi! French naturalist & ethnobiologist, I discovered this fossil fern in the 1990's when surveying the puna investigating Maca (Lepidium meyenii Walpers) and collecting actual Lepidium sp. (Brassicaceae) at the altitude of 4250 m, some km eastwards of Lake Junin, in the High Andes of Peru. The specimen was broken into two pieces, on the ground of the puna, some meters from each other. Lenght: 11 cm. Wide: 7 cm. As I am not paleobiologist unfortunately, please would you help me to identify it ? Carboniferous/Early Carboniferous ? Adiantites (lindseaeformis?) ? Esphenopteris ? I have found other fossils (there are a lot in this calcareous region, you can see on the 2nd picture ) and I shall post them next time. Many thanks in advance. All the best. Pierre-Olivier Combelles Institut Andin d'Etudes Ethnobiologiques (France)
Shamalama posted a topic in Fossil Hunting TripsWent up to St. Clair today and man did I make out well. Found an old pit someone had dug and, after moving some overburden, got down to good rock. The layers I was working were about 6" thick and bounded on the top by barren rock (possibly a paleosol) and the bottom by a layer of decorticated tree trunks. In between was fern heaven dominated by Alethopteris and Neuropteris. I did find a couple of Pectopteris pieces and some Calamites branch sprouts but that was about it for diversity. Over 100 lbs of rock hauled back to my car in two trips. Here are some pics that are the tip of the iceberg of what I found. One of my piles of keepers. More in the next post...
hitekmastr posted a topic in Fossil IDSt. Clair Fossils - What are these Bubbles? Nan and I visited Deer Lake on Aug. 30 and squeezed in a couple of hours at the end of the day to visit the fern site at St. Clair - we looked mostly for insects or insect traces, and fern seeds. Also we wanted to pick up a nice specimen for one of my colleagues. Here are our finds - maybe someone can explain what the "bubbles" are in these fossils: Carboniferous Bubbles/Bumps: Here are some closeups showing the "bumps or bubbles": Almond Shaped Fossil with Small Bumps: This almond shaped fossil shows bumps on the surface - it is about 2 cm long: This is the most intriguing fossil of all - also has these peculiar bumps: Thanks in advance for helping to identify and explain these finds.
Is this tiny conical shaped fossil evidence of a "carboniferous creature" or simly a stem fragment that happens to look like parts of a creature? This turned up when Nancy (the keen-eyed member of our family) was examining some finds we just made - she jokingly calls this a "fish tooth" although we both know it's not that. However, the lack of associated plant material suggests that this is either a very isolated stem with a white coating - or - possibly a tiny fossil from a carboniferous creature. We are actively looking for insects and other evidence that living things co-existed with the abundance of plant life in the fossilized swamps at the St. Clair shale pits however, we're very skeptical. We'll be interested in your opinions and inputs on what this might be, and why...thanks!