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Showing results for tags 'archaeocyathid'.
Found 6 results
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A rangeomorph holdfast trace fossil from the Ediacara formation, Rawnsley quartzite of the Flinders Range, South Australia. This specimen is Medusina mawsoni, so called because it was until recently thought to be a jellyfish, but is now believed to be the attachment point of a fractal rangeomorph as Charniodiscus is the point of anchorage for Charnia sp. This one may have been the holdfast point for some species of Rangea. The diameter of the outer circle is 1.5 cm and the fossil is estimated to be 555 million years old.
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- paradoxides series
- slammestadt
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Last year, to celebrate finishing my undergraduate degree, my girlfriend and I went on a long (9,000+ mile) road trip around the western US and at long last (a little over a year since their discovery) the last of the fossils we found are out of the refrigerator and I’ve finally gotten all of them photographed. Here are some of the highlights and best fossils we found. A rough map of the route of the trip While the trip wasn’t entirely fossil centric we wanted to hunt at a few cool spots along the way. We chose to visit 5 fossil locations, the first of which was
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This is a fossil I am looking at purchasing. I asked the seller for a better photograph and the photos below were sent to me personally, so I do not believe this is in violation of the terms of the site (though I really do apologize if I have inadvertently broken the rules and I will immediately remove the content!). I believe the round fossil in the center to be an archaeocyathid, but I would like to be more certain before I pay to have it shipped from southern Australia. Unfortunately, that is all of the information that the seller has shared with me about location, so I don't have useful
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This is a piece that I picked up on a geology field trip years ago in eastern New Mexico. I apologize that I have unfortunately lost the field notebook that contains more specific location information, but I am hoping to get in contact with the teacher that took us there for other reasons and might be able to provide additional information if I can ask him. The section was Cambrian to Ordovician in age: it started with abundant stromatolites, then progressed into thrombolites and finally siliciclastics disappeared during the Ordovician sea level high-stand. This piece was found from amidst
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About 515 million years old, this archaeocyathid shows excellent specimens with both lateral and vertical sections. The internal septa separating the internal wall from the external wall can clearly be seen and the central cavity. Archaeocyatha
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- australia
- ethmocyathus
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Hello. I went on a long hike a few days ago and stumbled upon this in a large Cambrian rock. I believe most of the outcrops in this area are very early Cambrian as I find a lot of Archaeocyathids. Is this structure somehow related to the Archaeocyathids? It's about 6 inches in diameter. I have an average sized hand. Another fossil I'm trying to figure out is this.... Sorry the pic is a bit dark. I'm thinking maybe it's a priapulid with the bottom section broken off? The probiscus appears retracted on the upper right hand side, and
