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Showing results for tags 'plankton'.
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Hi! I’m still trying to identify one fossil from a particular unit of Pleistocene/Early Holocene lacustrine silt from my hometown of Saskatoon, but I figured I would look away from it for a bit to try and identify another fossil from the same unit I’ve been unable to classify. I have two specimens, both apparently of the same species. They are both approximately 0.5 millimetres across. They are perfectly circular, with lines radiating from the centre and rings of alternating colours (possibly representing growth lines). One specimen is photographed dorsally, showing its circular shape, the other in profile, showing its umbrella-like, protruding outline. All photos are taken through a microscope with my best camera currently available, an iPhone! My main areas of middling expertise are arthropod and vertebrate fossils, so I have no idea what this is! I have briefly studied fossil foraminifera and diatoms in the past, but it looks like nothing I’ve seen in those areas as well. It reminded me of a small limpet, some type of seed or spore, or perhaps even a strange fish scale, but I have no formal suggestions. I’d highly appreciate any help! I will try to supply any additional information you may need. Thank you!
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- earths orbit
- graptolites
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So I have decided to try take it slow and post one fossil at a time since I dont get new fossils very often. These fossils were found in a cave in the Knysna region of the Western Cape not far from the Karoo. The farmer who found them claims that the fossil is an ancient Seabed, with plankton and plant life nestled in there. There seems to be a crustacean like creature and coral like material but I am no expert. Which era could this have come from? What kind f life is in here? These fossils are very brittle and powdery, both the rock layer and the imprint. More close up images are to follow.
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- cave fossil
- knysna
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